The Qt Creator crashed during text search

Qt Creator Crashed during search works.

Qt Creator 4.15.2{{}}

Ubuntu 20.04

Qt Concurrent has caught an exception thrown from a worker thread.
This is not supported, exceptions thrown in worker threads must be
caught before control returns to Qt Concurrent.
terminate called after throwing an instance of 'std::bad_alloc'
what(): std::bad_alloc
Aborted (core dumped)