How To Fix TT012 - Exception "&1"(&2) was raised

SAP Error Message - Details

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 012

• Message text: Exception "&1"(&2) was raised

What causes this issue?

The model referenced in the test run already contains loops. Nested
loops are not allowed.

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?

You cannot reference this model within a loop. Choose a model that does
not contain and loops or reference this model only outside a loop.

Error message extract from SAP system. Copyright SAP SE.