Database Software

Each time i restart the extract process after a normal stop i got this type of error:
ERROR OGG-01496 Oracle GoldenGate Capture for Oracle, EXT1.prm: Failed to open target trail file P:\OracleGoldenGate\dirdat\lt000661, at RBA 5466894.
Why and what can i do? No i delete the ext1 group and then i create the same group again...

The extract group parameter file named ext1 is:

extract ext1
userid ggschema, password ggschema
rmthost 192.168.2.225, mgrport 7809
exttrail P:\OracleGoldenGate\dirdat\lt
rmttrail P:\OracleGoldenGate\dirdat\lt

ddl include mapped objname TESEO2.* ;
TABLEEXCLUDE TESEO2.AGGANCI_ALL_MV ;
TABLEEXCLUDE TESEO2.ESTREMI_RN_RISOLTI_MV ;
TABLEEXCLUDE TESEO2.ESTREMI_UDOC_MV ;
TABLEEXCLUDE TESEO2.MASS_CLASS_MV ;
TABLEEXCLUDE TESEO2.NOTEDOTT_CLASS_MV ;
TABLEEXCLUDE TESEO2.NOTE_MV ;
TABLEEXCLUDE TESEO2.CORRELAZIONI ;


TABLE TESEO2.* ;


The manager param is:
GGSCI (dbgen) 43> show param mgr

Parameter settings:

SET SUBDIRS ON
SET DEBUG OFF

Current directory: P:\OracleGoldenGate

Using subdirectories for all process files

Editor: notepad

Reports (.rpt) P:\OracleGoldenGate\dirrpt
Parameters (.prm) P:\OracleGoldenGate\dirprm
Replicat Checkpoints (.cpr) P:\OracleGoldenGate\dirchk
Extract Checkpoints (.cpe) P:\OracleGoldenGate\dirchk
Process Status (.pcs) P:\OracleGoldenGate\dirpcs
SQL Scripts (.sql) P:\OracleGoldenGate\dirsql
Database Definitions (.def) P:\OracleGoldenGate\dirdef