Building failed: "testN777345::Import equality assertion failed"

After 6 hours of building, it ends with a failure...

(cppunittester:32480): Gdk-WARNING **: 16:30:37.605: gdk_window_set_icon_list: icons too large
image-hyperlink.docx:
116
testImageHyperlink::Import finished in: 125ms
ooxmlimport.cxx:405:Assertion
Test name: testN777345::Import
equality assertion failed
- Expected: 15258412514674086030
- Actual  : 7550566848119649750

Failures !!!
Run: 80   Failure total: 1   Failures: 1   Errors: 0
which: no gdb in 
(/home/linuxyz/Documents:/home/linuxyz/backup_ln/PROGRAMS/ANDROID/.repo:/home/linuxyz/backup_ln/PROGRAMS/ANDROID/lineageOS:/home/linuxyz/backup_ln/PROGRAMS/ANDROID/platform-tools:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl)
You need gdb in your path to show backtraces

Error: a unit test failed, please do one of:

make CppunitTest_sw_ooxmlimport CPPUNITTRACE="gdb --args"
    # for interactive debugging on Linux
make CppunitTest_sw_ooxmlimport VALGRIND=memcheck
    # for memory checking
make CppunitTest_sw_ooxmlimport DEBUGCPPUNIT=TRUE
    # for exception catching

You can limit the execution to just one particular test by:

make CPPUNIT_TEST_NAME="testXYZ" ...above mentioned params...

make[1]: *** [/home/linuxyz/Documents/libreoffice_src/solenv/gbuild/CppunitTest.mk:113: 
/home/linuxyz/Documents/libreoffice_src/workdir/CppunitTest/sw_ooxmlimport.test] Error 1
make: *** [Makefile:282: build] Error 2

I've runned before:

$ ./autogen.sh --without-junit

than

$ make

Any idea what's happened? Thanks a lot in advance!