My database udump area is getting filled up by the trace contains

Unhandled datatype (180) found in kzabndinf
cur=05 bnd=03 dty=180
Unhandled datatype (180) found in kzabndinf
cur=12 bnd=01 dty=180
Unhandled datatype (180) found in kzabndinf
cur=12 bnd=02 dty=180
Unhandled datatype (180) found in kzabndinf
cur=05 bnd=03 dty=180
Unhandled datatype (180) found in kzabndinf
cur=13 bnd=01 dty=180
Unhandled datatype (180) found in kzabndinf

1) Does anyone know what this error means?
2) What is datatype(180)?
3) What is kzabndinf?

any response will be highly appreciated.

Regards