How To Fix TS021 - Position cursor on a valid line

SAP Error Message - Details

• Message type: E = Error

• Message class: TS - TemSe - temporary sequential object management

• Message number: 021

• Message text: Position cursor on a valid line

What causes this issue?

A function was called with reference to a particular line, but the
cursor is not positioned on a line in the list.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Position the cursor on the desired object and repeat the operation.

Error message extract from SAP system. Copyright SAP SE.