DDIC_ILLEGAL_KEY_COMP_NAME SAP ABAP Runtime Error ddic illegal key comp name

DDIC_ILLEGAL_KEY_COMP_NAME 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.

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DDIC_ILLEGAL_KEY_COMP_NAME ABAP Runtime Error

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

Invalid component in a table key specification Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.

During the reading of the DDIC table type <runtime parameter>, a component was found in one of its keys that is not contained in the line type assigned to <runtime parameter>. Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.