WARNING: too many parse errors

Seeing below warnings after db upgraded to 19c. Please help me..

TCMS(3):WARNING: too many parse errors, count=100 SQL hash=0xf041764b

TCMS(3):PARSE ERROR: ospid=122154, error=6553 for statement:

2020-07-10T11:23:52.058670-04:00

TCMS(3):SELECT TO_CLOB(PACK_CEHR_PLAN_REFERRAL.F_CEHR_PLAN_MACRO_COMMENTS(:"SYS_B_0", :"SYS_B_1")) FROM DUAL

TCMS(3):Additional information: hd=0x4e667bd68 phd=0x679005340 flg=0x100476 cisid=660 sid=660 ciuid=660 uid=660 sqlid=3w2k1qvs42xkb

TCMS(3):...Current username=ASPCCD6F1A731

TCMS(3):...Application: w3wp.exe Action:

2020-07-10T11:23:52.059324-04:00

TCMS(3):----- PL/SQL Call Stack -----

  object      line  object

  handle    number  name