Solution : https://service.sap.com/sap/support/notes/1442555 (SAP Service marketplace login required)
Key words : 
mexican digital invoices including line items, software component   sap_appl                      sap application, unit price amounts greater, assign data element char22, mexican company code, prerequisites program error, manual pre-implement, ------------------------------------------------------------------------run transaction se11, change structure idmx_di_line_items_typ, short dump
Related Notes : 
       
| 1318342 | Digital Invoice Mexico: IDoc basic type INVOIC02 Extension |