Hola Porfirio;

Based on the following document (see the attachment), the top CPU (Cargabarco) seems to have Force functions active along with the error.

This file was extracted from the Programming with Step 7, v5.5 manual, in the chapter on Diagnostics.

https://support.industry.siemens.com/cs/ww/en/view/45531107

Hope this helps,

Daniel Chartier