How To Fix IS121 - Ya existe el número de serie &1 para el material &2

SAP Error Message - Details

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 121

• Message text: Ya existe el número de serie &1 para el material &2

¿Qué causa este problema?

You are trying to create <GL:serial_number>serial number</> &V1& for
the <GL:material>material</>.
This combination of <GL:material_number>material number</> and serial
number already exists in your system.

Respuesta del sistema

INCLUDE 'KEINE-FUNKTION' OBJECT DOKU ID TX LANGUAGE E
Your system has been configured in such a way that the combination of
material number and serial number must be unique. Therefore, you cannot
assign a serial number to a material twice.

¿Cómo arreglar este error?

Enter a serial number that has not been assigned for this material.
If this is not possible, contact your system administrator.

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