LOAD_UNKNOWN_SUBPOOL 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.
Please see search hints for more details about the possible cause of this runtime error and how it could be avoided.
Invalid program name <runtime parameter> when loading an ABAP/4 program.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.
The program <runtime parameter> attempted to address the program <runtime parameter>,
but the program name <runtime parameter> begins with the prefix <runtime parameter>. This
prefix is reserved for temporary subroutine pools. In the context of
the main program <runtime parameter> (and thus in the context of the current program
<runtime parameter>), there is no temporary subroutine pool <runtime parameter>.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.
LOAD_UNKNOWN_SUBPOOL - load unknown subpool LOAD_TYPE_VERSION_MISMATCH - load type version mismatch LOAD_TYPEPOOL_VERSION_MISMATCH - load typepool version mismatch LOAD_TYPEPOOL_NOT_FOUND - load typepool not found LOAD_TRFO_PROGRAM_MISMATCH - load trfo program mismatch LOAD_TEXTPOOL_NO_PXA_MEMORY - load textpool no pxa memory