GEN_PBAG_OVERFLOW is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.
Short Dump Classification: A - ABAP Programming Error
You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.
Also check out the Comments section below to view or add related contributions and example screen shots.
Please see program correction for more details about the possible cause of this runtime error and how it could be avoided.
You should try to change the type definition of the type in question.
PBAG-ID..............: <runtime parameter>.
Description of the enhanced type properties is too large.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.
An attempt was made to create a description of the enhanced type
properties with length <runtime parameter> bytes.
This is not supported. The description of the enhanced type properties
must not be more than <runtime parameter> bytes.
Please see gen error for more details about the possible cause of this runtime error and how it could be avoided.