The value is not from code list AFDSWI (simultaneous or sequential).
Fix
Use a code from AFDSWI of the release; see the code list page.
Check your own message for this and all other errors with the free validator: schema, code lists and consistency checks in one report.Validate a message
Attribution. Source: SIVI – VB-PUO Standard. Schemas, attribute descriptions and code lists are taken unchanged from the VB-PUO Standard (owned by the Pensioenfederatie, managed by SIVI) and shown with their release and version. Explanations, examples, error descriptions and translations are by WTP Data Lab and are not part of the standard. GitHub Stichting-SIVI/VBPUOdsk · Manual · sivi.org
