Unexpected DB error occurred near:

Error After Major FUNC: add_update_counter_master_rec for rec_num: PL1079816659

--> set_rec_field_str called to set: "last_IP_addr" with value: {{54.166.208.127}}
--> set_rec_field_str called to set: "last_date" with value: {{1467038994}}
--> set_rec_field_str called to set: "S1" with value: {{1}}
--> set_rec_field_str called to set: "S2" with value: {{1466985600}}
--> set_rec_field_str called to set: "S3" with value: {{1}}
--> set_rec_field_str called to set: "S4" with value: {{1466899200}}
--> set_rec_field_str called to set: "S5" with value: {{}}
--> set_rec_field_str called to set: "S6" with value: {{1466380800}}
--> set_rec_field_str called to set: "S7" with value: {{}}
--> set_rec_field_str called to set: "S8" with value: {{1464739200}}
--> set_rec_field_str called to set: "S9" with value: {{}}
--> set_rec_field_str called to set: "S10" with value: {{1451606400}}
--> update_record called
*** get_db_error_msg called to return: Error from cbt level ***
===> ISAM error: Error from cbt level data file: Qfiles/Qcounters.db CBT error: key not found function: cbunlock context: finding leaf containing key ----> update_record function FAILED with error: Error from cbt level

DB Error= 1

Error Record's Field Contents:
PL1079816659| I| 1| 8920| A| 54.166.208.127| 1467038994| 1| 1466985600| 1| 1466899200| | 1466380800| | 1464739200| | 1451606400| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |