My mcreator wont let me export the mod or test it

here is the log

Exception in thread "main" java.util.zip.ZipException: error in opening zip file
   at java.util.zip.ZipFile.open(Native Method)
   at java.util.zip.ZipFile.(ZipFile.java:225)
   at java.util.zip.ZipFile.(ZipFile.java:155)
   at java.util.zip.ZipFile.(ZipFile.java:169)
   at org.gradle.wrapper.Install.unzip(Install.java:214)
   at org.gradle.wrapper.Install.access$600(Install.java:27)
   at org.gradle.wrapper.Install$1.call(Install.java:74)
   at org.gradle.wrapper.Install$1.call(Install.java:48)
   at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
   at org.gradle.wrapper.Install.createDist(Install.java:48)
   at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
   at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)