Web client when new line is being created previous changes type

HrynyukAndrey

When new line is being created on a document previous changes type to the 0 option. The options are table,field,const etc. When the row (except first one) is selected and u create a new line, the new line appears but previous changes source type to 'Table'.
The same behaviour when you reopen document, line which you stay on change sourse type to 'Table'
The error exists only when i switch the open reopen status of the document when the document is in edit mode. Same when the new line created.
When the page is in view mode, all works fine