Couldn't find the definition of the element with tag 'grid-layout' about grid-layout HOT 6 CLOSED

<modelVersion>4.0.0</modelVersion>
<groupId>com.sisint.unopetrol</groupId>
<artifactId>webwau</artifactId>
<name>webwau</name>
<version>2.0-SNAPSHOT</version>
<packaging>jar</packaging>

<properties>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>

    <vaadin.version>14.0.1</vaadin.version>

    <drivers.dir>${project.basedir}/drivers</drivers.dir>
    <drivers.downloader.phase>pre-integration-test</drivers.downloader.phase>
</properties>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.1.7.RELEASE</version>
</parent>

<pluginRepositories>
    <pluginRepository>
        <id>central</id>
        <url>https://repo1.maven.org/maven2/</url>
        <snapshots><enabled>false</enabled></snapshots>
    </pluginRepository>
</pluginRepositories>

<repositories>
    <repository>
        <id>central</id>
        <url>https://repo1.maven.org/maven2/</url>
        <snapshots><enabled>false</enabled></snapshots>
    </repository>
    <!-- Repository used by many Vaadin add-ons -->
    <repository>
        <id>Vaadin Directory</id>
        <url>https://maven.vaadin.com/vaadin-addons</url>
        <snapshots><enabled>false</enabled></snapshots>
    </repository>
</repositories>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>com.vaadin</groupId>
            <artifactId>vaadin-bom</artifactId>
            <version>${vaadin.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

<dependencies>
    <dependency>
        <groupId>com.vaadin</groupId>
        <!-- Replace artifactId with vaadin-core to use only free components -->
        <artifactId>vaadin</artifactId>
        <exclusions>
            <!-- Webjars are only needed when running in Vaadin 13 compatibility mode -->
            <exclusion>
                <groupId>com.vaadin.webjar</groupId>
                <artifactId>*</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.webjars.bowergithub.insites</groupId>
                <artifactId>*</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.webjars.bowergithub.polymer</groupId>
                <artifactId>*</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.webjars.bowergithub.polymerelements</groupId>
                <artifactId>*</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.webjars.bowergithub.vaadin</groupId>
                <artifactId>*</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.webjars.bowergithub.webcomponents</groupId>
                <artifactId>*</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>com.vaadin</groupId>
        <artifactId>vaadin-spring-boot-starter</artifactId>
        <exclusions>
            <!-- Excluding so that webjars are not included. -->
            <exclusion><groupId>com.vaadin</groupId>
                <artifactId>vaadin-core</artifactId></exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>com.vaadin</groupId>
        <artifactId>vaadin-testbench</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava</artifactId>
        <version>28.0-jre</version>
        <scope>compile</scope>
    </dependency>
    <dependency>
        <groupId>org.claspina</groupId>
        <artifactId>confirm-dialog</artifactId>
        <version>1.0.0</version>
    </dependency>
    <dependency>
        <groupId>com.github.appreciated</groupId>
        <artifactId>app-layout-addon</artifactId>
        <version>4.0.0.beta1</version>
    </dependency>
    <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.8</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>com.github.appreciated</groupId>
        <artifactId>vaadin-css-grid</artifactId>
        <version>0.8.4</version>
    </dependency>
    <dependency>
        <groupId>com.github.appreciated</groupId>
        <artifactId>card</artifactId>
        <version>0.9.4</version>
    </dependency>
</dependencies>

<build>
    <defaultGoal>spring-boot:run</defaultGoal>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
        </plugin>

        <!--
            Take care of synchronizing java dependencies and imports in
            package.json and main.js files.
            It also creates webpack.config.js if not exists yet.
        -->
        <plugin>
            <groupId>com.vaadin</groupId>
            <artifactId>vaadin-maven-plugin</artifactId>
            <version>${vaadin.version}</version>
            <executions>
                <execution>
                    <goals>
                        <goal>prepare-frontend</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

<profiles>
    <profile>
        <!-- Production mode is activated using -Pproduction -->
        <id>production</id>
        <properties>
            <vaadin.productionMode>true</vaadin.productionMode>
        </properties>

        <dependencies>
            <dependency>
                <groupId>com.vaadin</groupId>
                <artifactId>flow-server-production-mode</artifactId>
            </dependency>
        </dependencies>

        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <configuration>
                        <jvmArguments>-Dvaadin.productionMode</jvmArguments>
                    </configuration>
                </plugin>
                <plugin>
                    <groupId>com.vaadin</groupId>
                    <artifactId>vaadin-maven-plugin</artifactId>
                    <executions>
                        <execution>
                            <goals>
                                <goal>build-frontend</goal>
                            </goals>
                            <phase>compile</phase>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </profile>

    <profile>
        <id>integration-tests</id>
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <executions>
                        <execution>
                            <id>start-spring-boot</id>
                            <phase>pre-integration-test</phase>
                            <goals>
                                <goal>start</goal>
                            </goals>
                        </execution>
                        <execution>
                            <id>stop-spring-boot</id>
                            <phase>post-integration-test</phase>
                            <goals>
                                <goal>stop</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>

                <!-- Runs the integration tests (*IT) after the server is started -->
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-failsafe-plugin</artifactId>
                    <executions>
                        <execution>
                            <goals>
                                <goal>integration-test</goal>
                                <goal>verify</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <trimStackTrace>false</trimStackTrace>
                        <enableAssertions>true</enableAssertions>
                        <systemPropertyVariables>
                            <!-- Pass location of downloaded webdrivers to the tests -->
                            <webdriver.chrome.driver>${webdriver.chrome.driver}</webdriver.chrome.driver>
                        </systemPropertyVariables>
                    </configuration>
                </plugin>

                <plugin>
                    <groupId>com.lazerycode.selenium</groupId>
                    <artifactId>driver-binary-downloader-maven-plugin</artifactId>
                    <version>1.0.17</version>
                    <configuration>
                        <onlyGetDriversForHostOperatingSystem>true
                        </onlyGetDriversForHostOperatingSystem>
                        <rootStandaloneServerDirectory>
                            ${project.basedir}/drivers/driver
                        </rootStandaloneServerDirectory>
                        <downloadedZipFileDirectory>
                            ${project.basedir}/drivers/driver_zips
                        </downloadedZipFileDirectory>
                        <customRepositoryMap>
                            ${project.basedir}/drivers.xml
                        </customRepositoryMap>
                    </configuration>
                    <executions>
                        <execution>
                            <!-- use phase "none" to skip download step -->
                            <phase>${drivers.downloader.phase}</phase>
                            <goals>
                                <goal>selenium</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </profile>

</profiles>