我有这个错误：
项目生成错误：无法解析的父POM：找不到项目com.playtech.simator：Net：POM：1.0-SNAPSHOT和‘parent.relativePath’指向错误的本地POM

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

<parent>
    <groupId>com.playtech.simulator</groupId>
    <artifactId>net</artifactId>
    <version>1.0-SNAPSHOT</version>
</parent>

<modelVersion>4.0.0</modelVersion>

<groupId>com.playtech.simulator.net</groupId>
<artifactId>server</artifactId>

<dependencies>
    <dependency>
        <groupId>com.ogp</groupId>
        <artifactId>com.playtech.openapi.core</artifactId>
        <version>${ogw.version}</version>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>3.9</version>
        <exclusions>
            <exclusion>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
            </exclusion>
            <exclusion>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>ch.qos.logback</groupId>
        <artifactId>logback-classic</artifactId>
        <version>1.0.13</version>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
        <version>3.2.2.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>com.playtech.simulator</groupId>
        <artifactId>simulator-app</artifactId>
        <version>1.0-SNAPSHOT</version>

        <exclusions>
            <exclusion>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.springframework</groupId>
                <artifactId>spring-aop</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.springframework</groupId>
                <artifactId>spring-core</artifactId>
            </exclusion>
            <exclusion>
                <groupId>org.springframework</groupId>
                <artifactId>spring-beans</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
      <groupId>com.ogp</groupId>
      <artifactId>com.playtech.openapi.core.hazelcast</artifactId>
      <version>${ogw.version}</version>
    </dependency>
    <dependency>
        <groupId>com.ogp</groupId>
        <artifactId>com.playtech.openapi.core.frontend.http.socketio</artifactId>
        <version>${ogw.version}</version>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-assembly-plugin</artifactId>
            <executions>
              <execution>
                 <goals>
                   <goal>attached</goal>
                 </goals>
                 <phase>package</phase>
                 <configuration>
                   <descriptorRefs>
                     <descriptorRef>jar-with-dependencies</descriptorRef>
                  </descriptorRefs>
                  <archive>
                    <manifest>
                      <mainClass>com.playtech.openapi.simulator.SimulatorServer</mainClass>
                    </manifest>
                  </archive>
                </configuration>
             </execution>
          </executions>
        </plugin>
    </plugins>
</build>