DDIC_ILLEGAL_SCND_KEY_NAME SAP ABAP Runtime Error ddic illegal scnd key name

DDIC_ILLEGAL_SCND_KEY_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_SCND_KEY_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.

Secondary key name <runtime parameter> is illegal. Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.

An illegal secondary key name "<runtime parameter>" was found while reading a DDIC table type. Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.