LOAD_PROGRAM_CLASS_MISMATCH SAP ABAP Runtime Error load program class mismatch

LOAD_PROGRAM_CLASS_MISMATCH 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: R - Error at ABAP Runtime

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.

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LOAD_PROGRAM_CLASS_MISMATCH ABAP Runtime Error

Please see try again for more details about the possible cause of this runtime error and how it could be avoided.

Class interface changed at runtime. Please see runtime error for more details about the possible cause of this runtime error and how it could be avoided.

Please see try again for more details about the possible cause of this runtime error and how it could be avoided.

Section <runtime parameter> of the interface of class <runtime parameter>was changed at program runtime. This resulted in inconsistencies.
Program <runtime parameter> uses interface version <runtime parameter>.
Program <runtime parameter> uses interface version <runtime parameter>.
Internal mode started at <runtime parameter>. Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.