forecast job running for days never finish

@ITEM_ID

Please help me find out what the issue is, thank you. Engine2k log:13:40:09:903 Oracle Demantra Unix - Linux Forecast Engine Version 7.3.1 ( 7.3.1.4 Beta Build 431 (375) )
13:40:09:903 Engine Start Time 13:40:09 - 26/03/2013
13:40:09:903 Running in Batch mode
13:40:09:903 --------------------------------------------------------------
13:40:09:946 Engine is using table SALES_DATA as fact table
13:40:09:946 Engine is using table MDP_MATRIX as combination table
13:40:09:946 Engine is using table INPUTS as inputs table
13:40:09:946 Engine is using table PARAMETERS as parameters table
13:40:10:712 Loading Forecast Tree:
13:40:10:812 Column: @ITEM_ID
13:40:10:812 MDP_MATRIX: MDP_MATRIX
.................
13:40:10:845 Engine is using @ITEM_ID, @LOCATION_ID as lowest data key
13:40:10:845 Calculated last date: 2013-02-04 (15741)
13:40:10:845 Calculated start date: 1995-01-01 (9132)
13:40:10:845 Calculated first forecast date: 2013-02-11 (15748)