Error While calling the AFL_WRAPPER_GENERATOR for Link prediction for PAL

Hi

I try to do link prediction  but it is giving the following error can some one help me on this

CALL "HCP"."HCP_AFL_WRAPPER_GENERATOR"('PAL_LINK_PREDICTION_PROC','AFLPAL','LINKPREDICTION', NEO_XXXXX.PAL_LP_PDATA_TBL);

[129]: transaction rolled back by an internal error:  [129] "HCP"."HCP_AFL_WRAPPER_GENERATOR": line 41 col 5 (at pos 2113): [129] (range 3): transaction rolled back by an internal error: transaction rolled back by an internal error:  [129] "PSADBA"."AFL_WRAPPER_GENERATOR": line 58 col 5 (at pos 1793): [129] (range 3): transaction rolled back by an internal error: AFL error: registration finished with errors, see indexserver trace

Regrads

GB