error -1 "Internal error < 0 (Not system error)" from storage engine ColumnStore

I am using latest 11.1.2-MariaDB-1:11.1.2+maria~ubu2004 and after some minutes of inserting data I start getting errors and can't insert more data

Internal error: load failed. The detailed error information is listed in err.log.
then this becomes
Got error -1 "Internal error < 0 (Not system error)" from storage engine ColumnStore

and when I check err.log I see

Sep 19 13:14:44 vm5102 writeengine[5664]: 44.206440 |0|0|0| E 19 CAL0001: SplitterReadThread::operator: Broken Pipe
Sep 19 13:15:19 vm5102 writeenginesplit[23675]: 19.531100 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:15:19 vm5102 writeenginesplit[23675]: 19.532097 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:15:55 vm5102 writeenginesplit[23717]: 55.845658 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:15:55 vm5102 writeenginesplit[23717]: 55.846078 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:16:36 vm5102 writeenginesplit[23761]: 36.824605 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:16:36 vm5102 writeenginesplit[23761]: 36.825169 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:17:36 vm5102 writeenginesplit[23807]: 36.168545 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:17:36 vm5102 writeenginesplit[23807]: 36.168970 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:18:37 vm5102 writeenginesplit[23851]: 37.257099 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:18:37 vm5102 writeenginesplit[23851]: 37.257528 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:19:35 vm5102 writeenginesplit[23893]: 35.357305 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:19:35 vm5102 writeenginesplit[23893]: 35.357686 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:20:39 vm5102 writeenginesplit[23937]: 39.326250 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:20:39 vm5102 writeenginesplit[23937]: 39.326945 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:21:36 vm5102 writeenginesplit[24039]: 36.473114 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:21:36 vm5102 writeenginesplit[24039]: 36.473587 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:22:35 vm5102 writeenginesplit[24082]: 35.924550 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:22:35 vm5102 writeenginesplit[24082]: 35.924966 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:23:38 vm5102 writeenginesplit[24124]: 38.877338 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:23:38 vm5102 writeenginesplit[24124]: 38.877803 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:24:42 vm5102 writeenginesplit[24210]: 42.177560 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:24:42 vm5102 writeenginesplit[24210]: 42.177985 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:25:34 vm5102 writeenginesplit[24251]: 34.646891 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:25:34 vm5102 writeenginesplit[24251]: 34.647284 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:26:35 vm5102 writeenginesplit[24309]: 35.492300 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:26:35 vm5102 writeenginesplit[24309]: 35.492815 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:27:35 vm5102 writeenginesplit[24359]: 35.159184 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:27:35 vm5102 writeenginesplit[24359]: 35.159547 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:28:37 vm5102 writeenginesplit[24402]: 37.671752 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:28:37 vm5102 writeenginesplit[24402]: 37.672158 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:29:34 vm5102 writeenginesplit[24446]: 34.701102 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:29:34 vm5102 writeenginesplit[24446]: 34.701480 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1
Sep 19 13:30:37 vm5102 writeenginesplit[24491]: 37.045784 |0|0|0| E 33 CAL0000: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1 %%10%%
Sep 19 13:30:37 vm5102 writeenginesplit[24491]: 37.046173 |0|0|0| E 33 CAL0087: BulkLoad Error: Failed to acquire Table Lock of MyDataWareHouse.OrdersFact; Table currently locked by process-cpimport; pid-23440; session-1; txn-1