: If you receive this error, you may need to clear the temporary license files located in C:\ProgramData\Sage\ .
| Issue | Symptom | Verified Solution | | :--- | :--- | :--- | | | "Error 13: Type mismatch" when invoicing for 2025. | Apply the verified DatePatch_2012to2030.exe . Unverified patches corrupt the fiscal year. | | IVA Rate Changes | VAT rates (21%) are hardcoded. | A verified version allows manual entry of 4% super-reduced rate. Unverified versions crash. | | SII Connection Failure | ContaPlus cannot send invoices to AEAT. | Use the verified SII_Bridge_Module that tunnels 2012 requests to modern APIs. | | TAOS Export Wrong Account | Patient payments go to "Office Supplies" account. | Verified versions include a correct chart of accounts mapping file ( PlanContableMedico.mdb ). | medicina taos contaplus 2012 verified