How To Fix BK191 - El número externo no es unívoco, indique el número interno

SAP Error Message - Details

• Message type: E = Error

• Message class: BK - Create, Display, Reverse Controlling Document

• Message number: 191

• Message text: El número externo no es unívoco, indique el número interno

¿Qué causa este problema?

You want to reverse a document. Several Controlling documents were
found for the key.

Respuesta del sistema

If you want to post despite this message, all documents found by the
system will be reversed.

¿Cómo arreglar este error?

If this message is not an error message, check whether you really want
to reverse all documents.
If this message is an error message, you should execute a reversal by
specifying the CO document number and the controlling area.
In Customizing you can either disable this message or change it from an
error message to a warning or a note. To do this, see the
Implementation Guide (IMG) "Controlling General" workstep
<DS:SIMG.SIMG_CFMENUORK3OBA5>"Change message control"</> (Work area
"BK", Message number "191").

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