AttributeError: 'bool' object has no attribute 'split'

[pradhanashwin]

When i try to add a line in file page of directory following error occurs

  File "/usr/local/lib/python3.5/dist-packages/odoo/addons/muk_dms/models/file.py", line 314, in <listcomp>
    paths = [list(map(int, rec.directory.parent_path.split('/')[:-1])) for rec in records_with_directory]
AttributeError: 'bool' object has no attribute 'split'

[guidoscha]

Error still exists. Same here

[keshrath]

Please tell me the Odoo version.

[guidoscha]

odoo 12