Transaction code & not defined

Message type: E = Error

Message class: ME - Purchasing: General Messages

Message number: 027

Message text: Transaction code & not defined



What causes this issue?

The <GL:transaction_code>SAP transaction code</> for the function you
have selected is not defined in the system table 160.


How to fix this error?

INCLUDE SYSADMIN1_NA LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.