GEN_MEMO_ACT_INVALID 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: I - Internal Kernel 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 search hints for more details about the possible cause of this runtime error and how it could be avoided.
Please see send to sap for more details about the possible cause of this runtime error and how it could be avoided.
An RSYN statement DELME was called without memory specification and
the global storage position was not set.
DELME without memory specification requires a valid storage position.
position.
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
During generation, an incorrect statement was detected when
processing the key word <runtime parameter> in the associated RSYN.
Please see internal gen error for more details about the possible cause of this runtime error and how it could be avoided.