Asterisk 18.1.1 ERROR[749178] format_cache.c: FRACK!, Failed assertion bad magic number

Hello.
We try to implement auto dialer with Asterisk ARI Interface.
When we start calling after several calls we receive Errors
[Feb 17 10:35:03] ERROR[749178] format_cache.c: FRACK!, Failed assertion bad magic number 0x0 for object 0x11a8ff8 (0)
[Feb 17 10:35:03] ERROR[749178] : Got 13 backtrace records

0: /usr/sbin/asterisk(__ao2_ref+0x571) [0x45af51]

1: /usr/sbin/asterisk(__ao2_iterator_next+0xd9) [0x45d5c9]

2: /usr/sbin/asterisk(ast_format_cache_get_by_codec+0xa9) [0x4e0ff9]

3: /usr/sbin/asterisk(ast_format_cap_append_by_type+0x69) [0x4e1ae9]

4: /usr/lib/asterisk/modules/res_ari_channels.so(+0xc31f) [0x7f940d62e31f]

5: /usr/lib/asterisk/modules/res_ari_channels.so(+0x5267) [0x7f940d627267]

6: /usr/lib/asterisk/modules/res_ari.so(ast_ari_invoke+0x539) [0x7f94147d51f9]

7: /usr/lib/asterisk/modules/res_ari.so(+0x76b3) [0x7f94147d66b3]

8: /usr/sbin/asterisk() [0x5d4b33]

9: /usr/sbin/asterisk() [0x5d509b]

#10: /usr/sbin/asterisk() [0x5932d9]
#11: /lib64/libpthread.so.0(+0x82de) [0x7f9487c5e2de]
#12: /lib64/libc.so.6(clone+0x43) [0x7f9486f7ee83]

After this errors asterisk was restarted.
Please direct us where to look to understand what we are doing wrong.
Which additional information do you need?

Issue reports such as these need to go on the issue tracker[1] and need to include full information on usage of Asterisk. In this case that includes the specific usage of ARI, configuration, etc.

[1] https://issues.asterisk.org/jira

https://issues.asterisk.org/jira/browse/ASTERISK-29296

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