Attachment uploading not working on some pages

Hi team!
I have problem with attachments in some pages in version 14.5 (local installation with tomcat 9, SLES 15-SP3).

Attachments (while editing page, making link and upload file from CKEditor) works fine in page with address

But it do not upload from page with address

Does CKEditor attachments uploader sensible to the length of URL or to the characters in URL?

Best regards, Vadim