How To Fix M8644 - En esta estruct. de línea el campo & no está def. como campo de búsqueda

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 644

• Message text: En esta estruct. de línea el campo & no está def. como campo de búsqueda

¿Qué causa este problema?

The cursor is on a field which is not a search field in the current
line structure.

¿Cómo arreglar este error?

If you position the cursor on the command line and select F5, a window
appears which contains the fields which you can search for in the
current line structure.
You can only search for the content of other fields in the following
way:
select a line structure in which the field is defined as a search field.
your system administrator can define the field as a search field in the
current line structure in invoice verification via customizing.

Extracto de mensaje de error del sistema SAP. Copyright SAP SE.