System error: Structure & not defined in TMC4 for LIS
Message type: E = Error
Message class: O1 - IS-Oil : Message pool exchanges
Message number: 518
Message text: System error: Structure & not defined in TMC4 for LIS
INCLUDE 'NA_INTERN_FEHLER'
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.