Assertion `index->is_instant()' failed in rec_init_offsets

# 2025-07-02T17:46:42 [741614] | mariadbd: /data/Server/10.11_new/storage/innobase/rem/rem0rec.cc:650: void rec_init_offsets(const rec_t*, const dict_index_t*, ulint, rec_offs*): Assertion `index->is_instant()' failed.

# 2025-07-02T17:57:06 [741614] | Thread 3 (Thread 752622.764585 (mariadbd)):

# 2025-07-02T17:57:06 [741614] | #0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=12958453200448) at ./nptl/pthread_kill.c:44

# 2025-07-02T17:57:06 [741614] | #1  __pthread_kill_internal (signo=6, threadid=12958453200448) at ./nptl/pthread_kill.c:78

# 2025-07-02T17:57:06 [741614] | #2  __GI___pthread_kill (threadid=12958453200448, signo=signo@entry=6) at ./nptl/pthread_kill.c:89

# 2025-07-02T17:57:06 [741614] | #3  0x0000486361b84476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26

# 2025-07-02T17:57:06 [741614] | #4  0x0000486361b6a7f3 in __GI_abort () at ./stdlib/abort.c:79

# 2025-07-02T17:57:06 [741614] | #5  0x0000486361b6a71b in __assert_fail_base (fmt=0x486361d1f130 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x55a9510ededb "index->is_instant()", file=0x55a9510f8010 "/data/Server/10.11_new/storage/innobase/rem/rem0rec.cc", line=650, function=<optimized out>) at ./assert/assert.c:92

# 2025-07-02T17:57:06 [741614] | #6  0x0000486361b7be96 in __GI___assert_fail (assertion=0x55a9510ededb "index->is_instant()", file=0x55a9510f8010 "/data/Server/10.11_new/storage/innobase/rem/rem0rec.cc", line=650, function=0x55a9510f8b38 "void rec_init_offsets(const rec_t*, const dict_index_t*, ulint, rec_offs*)") at ./assert/assert.c:101

# 2025-07-02T17:57:06 [741614] | #7  0x000055a95091188a in rec_init_offsets (rec=<optimized out>, index=<optimized out>, n_core=n_core@entry=14, offsets=offsets@entry=0x5e7f54090a30) at /data/Server/10.11_new/storage/innobase/rem/rem0rec.cc:650

# 2025-07-02T17:57:06 [741614] | #8  0x000055a950915fc6 in rec_get_offsets_func (rec=<optimized out>, index=<optimized out>, index@entry=0xe8b045ee180, offsets=offsets@entry=0x5e7f54090a30, n_core=n_core@entry=14, n_fields=n_fields@entry=18446744073709551615, file=file@entry=0x55a9510b1cc8 "/data/Server/10.11_new/storage/innobase/handler/handler0alter.cc", line=6305, heap=0xbc91fff9c50) at /data/Server/10.11_new/storage/innobase/rem/rem0rec.cc:938

# 2025-07-02T17:57:06 [741614] | #9  0x000055a9507ec1ad in innobase_instant_try (ha_alter_info=ha_alter_info@entry=0xbc91fffb010, ctx=ctx@entry=0xf0b180163e0, altered_table=altered_table@entry=0xbc91fffb0d0, table=table@entry=0xf0b180b7098, trx=trx@entry=0x486361627380) at /data/Server/10.11_new/storage/innobase/include/btr0pcur.h:412

# 2025-07-02T17:57:06 [741614] | #10 0x000055a9507ed69d in commit_try_norebuild (ha_alter_info=ha_alter_info@entry=0xbc91fffb010, ctx=ctx@entry=0xf0b180163e0, altered_table=altered_table@entry=0xbc91fffb0d0, old_table=0xf0b180b7098, statistics_exist=<optimized out>, trx=trx@entry=0x486361627380, table_name=0xf0b180b83fd "t11") at /data/Server/10.11_new/storage/innobase/handler/handler0alter.cc:10922

# 2025-07-02T17:57:06 [741614] | #11 0x000055a9507d17f8 in ha_innobase::commit_inplace_alter_table (this=<optimized out>, altered_table=0xbc91fffb0d0, ha_alter_info=0xbc91fffb010, commit=true) at /data/Server/10.11_new/storage/innobase/handler/handler0alter.cc:11692

# 2025-07-02T17:57:06 [741614] | #12 0x000055a95042cfd6 in handler::ha_commit_inplace_alter_table (this=0xf0b180a8d28, altered_table=altered_table@entry=0xbc91fffb0d0, ha_alter_info=ha_alter_info@entry=0xbc91fffb010, commit=commit@entry=true) at /data/Server/10.11_new/sql/handler.cc:5435

# 2025-07-02T17:57:06 [741614] | #13 0x000055a9501efae7 in mysql_inplace_alter_table (thd=thd@entry=0xf0b18000d58, table_list=0xf0b18013870, table=table@entry=0xf0b180b7098, altered_table=altered_table@entry=0xbc91fffb0d0, ha_alter_info=ha_alter_info@entry=0xbc91fffb010, target_mdl_request=target_mdl_request@entry=0xbc91fffb930, ddl_log_state=0xbc91fffafd0, trigger_param=0xbc91fffb4d0, alter_ctx=0xbc91fffc500, partial_alter=@0xbc91fffaf6f: false, start_alter_id=@0xbc91fffaf78: 0, if_exists=false) at /data/Server/10.11_new/sql/sql_table.cc:8136

# 2025-07-02T17:57:06 [741614] | #14 0x000055a950202bb0 in mysql_alter_table (thd=thd@entry=0xf0b18000d58, new_db=new_db@entry=0xf0b180058f0, new_name=<optimized out>, create_info=create_info@entry=0xbc91fffd3a0, table_list=<optimized out>, table_list@entry=0xf0b18013870, recreate_info=recreate_info@entry=0xbc91fffd1f0, alter_info=<optimized out>, order_num=<optimized out>, order=<optimized out>, ignore=<optimized out>, if_exists=<optimized out>) at /data/Server/10.11_new/sql/sql_table.cc:11346

# 2025-07-02T17:57:06 [741614] | #15 0x000055a9502894e3 in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0xf0b18000d58) at /data/Server/10.11_new/sql/sql_alter.cc:688

# 2025-07-02T17:57:06 [741614] | #16 0x000055a95010ae08 in mysql_execute_command (thd=thd@entry=0xf0b18000d58, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /data/Server/10.11_new/sql/sql_parse.cc:6168

# 2025-07-02T17:57:06 [741614] | #17 0x000055a95010c2c2 in mysql_parse (thd=thd@entry=0xf0b18000d58, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0xbc91fffe380) at /data/Server/10.11_new/sql/sql_parse.cc:8180

# 2025-07-02T17:57:06 [741614] | #18 0x000055a95010e85d in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0xf0b18000d58, packet=packet@entry=0xf0b1800b0d9 "ALTER TABLE t11 ADD COLUMN IF NOT EXISTS ( ncol3 FLOAT ZEROFILL NULL, tcol4 YEAR NULL, scol7 CHAR NULL ), ALGORITHM=INPLACE  /* E_R Thread8 QNO 730 CON_ID 23 */ ", packet_length=packet_length@entry=161, blocking=blocking@entry=true) at /data/Server/10.11_new/sql/sql_parse.cc:1906

# 2025-07-02T17:57:06 [741614] | #19 0x000055a950110707 in do_command (thd=thd@entry=0xf0b18000d58, blocking=blocking@entry=true) at /data/Server/10.11_new/sql/sql_parse.cc:1419

# 2025-07-02T17:57:06 [741614] | #20 0x000055a95028077c in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55a9534782f8, put_in_cache=put_in_cache@entry=true) at /data/Server/10.11_new/sql/sql_connect.cc:1386

# 2025-07-02T17:57:06 [741614] | #21 0x000055a9502809b1 in handle_one_connection (arg=0x55a9534782f8) at /data/Server/10.11_new/sql/sql_connect.cc:1298

# 2025-07-02T17:57:06 [741614] | #22 0x0000486361bd6ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442

# 2025-07-02T17:57:06 [741614] | #23 0x0000486361c67a04 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100