zabbix_server [591095]: ERROR file:dbconfig.c,line:10214 Something impossible has just happened.
591095:20210420:082536.549 === Backtrace: ===
591095:20210420:082536.549 13: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](zbx_backtrace+0x3f) [0x55a9a121d3c8]
591095:20210420:082536.549 12: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](+0x19f9da) [0x55a9a11f99da]
591095:20210420:082536.549 11: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](DCget_required_performance+0x32) [0x55a9a11f9e29]
591095:20210420:082536.549 10: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](get_value_internal+0x71b) [0x55a9a10c1a73]
591095:20210420:082536.549 9: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](+0x5e85f) [0x55a9a10b885f]
591095:20210420:082536.549 8: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](zbx_check_items+0xbc) [0x55a9a10bac88]
591095:20210420:082536.549 7: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](+0x61772) [0x55a9a10bb772]
591095:20210420:082536.549 6: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](poller_thread+0x1c3) [0x55a9a10bbf5f]
591095:20210420:082536.549 5: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](zbx_thread_start+0x37) [0x55a9a122c0cd]
591095:20210420:082536.549 4: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](MAIN_ZABBIX_ENTRY+0xaa0) [0x55a9a10a059d]
591095:20210420:082536.549 3: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](daemon_start+0x2ff) [0x55a9a121cfd4]
591095:20210420:082536.549 2: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](main+0x2f5) [0x55a9a109fafb]
591095:20210420:082536.549 1: /lib64/libc.so.6(__libc_start_main+0xf3) [0x7f4b391f37b3]
591095:20210420:082536.549 0: /usr/sbin/zabbix_server: poller #65 [got 25 values in 3.999737 sec, getting values](_start+0x2e) [0x55a9a109ebae]