Flash Builder4.7(64 bit) Show error during Building project

[mideon]

For android project Flash Builder show me error if i add even swc of facebook plugin
Errors occurred during the build Project
Clean project shows the same error

Errors running builder 'Compiler' on project 'testapp'.
java.lang.NullPointerException

after removing it, and restarting Flash Builder all compiled ok

reinstall Flash Builder doesnt help me

if i create at Flash Builder ios project all worked ok

[mideon]

Uncheking "Build Automatically" from Project Menu helps me