Invalid action object error

This causes an Appcrash as follows

Problem signature:

  Problem Event Name:    APPCRASH

  Application Name:    FileMaker Pro Advanced.exe

  Application Version:    12.0.4.403

  Application Timestamp:    514b6292

  Fault Module Name:    Acrobat.dll

  Fault Module Version:    11.0.5.3

  Fault Module Timestamp:    5244722b

  Exception Code:    c0000005

  Exception Offset:    0007c54a

  OS Version:    6.1.7601.2.1.0.768.3

  Locale ID:    1033

  Additional Information 1:    0a9e

  Additional Information 2:    0a9e372d3b4ad19135b953a78882e789

  Additional Information 3:    0a9e

  Additional Information 4:    0a9e372d3b4ad19135b953a78882e789

Any ideas?  Can't tell if this is Filemaker, Java or Acrobat,  Deleted the suspect directory, repaired Acrobat....

Thanks.