Symptoms
IEDR (IrelandDR, bm-domreg-plugin-irelanddr) domain registration plugin has been installed and configured according to the documentation. However attempt to test connection fails:
Test connection failed:
Login to registrar failed
Cause
PBA uses outdated API version (ieapi-1.2 instead of ieapi-1.3), which is a bug with id #PBA-58641 ("[IEDR] PBA uses outdated ieapi-1.2 version, as a result domain registration does not work").