Error message in alertlog

Hi all !

Getting these errors hourly in our standby alertlog !?

Having trouble working out where the come "from" ... any hints appreciated,

reg peter

WARNING: too many parse errors, count=7227 SQL hash=0x0cd5bf3b

PARSE ERROR: ospid=30202, error=1219 for statement:

Additional information: hd=0x7edac2b8 phd=0x7edad6e0 flg=0x20 cisid=0 sid=0 ciuid=2147483620 uid=2147483620 sqlid=g8m9anc6dbgtv

...Current username=SYSRAC

...Application: oraagent.bin@oradb-d101u (TNS V1-V3) Action:

WARNING: too many parse errors, count=7227 SQL hash=0xeb8d02bf

PARSE ERROR: ospid=30202, error=1219 for statement:

Additional information: hd=0x7edab830 phd=0x7edabf88 flg=0x20 cisid=0 sid=0 ciuid=2147483620 uid=2147483620 sqlid=0kuu6zvpsu0pz