Issue: Column 'HtmlDesignAssociated' does not exist.
It may have been deleted by another user. /xxxxxxx/xxxx. Undefined.
When you are trying to convert html page to masterpage form
SharePoint 2013 design manager ,this error may occur due to following reasons.
The
Causes of the Issue:
1) The publishing feature is not activated properly in site
collection level or web level.
2)The Html file is not available in “/_catalogs/masterpage”. I.e. you are trying to insert the
html file for the conversation process from another location except “/_catalogs/masterpage”.
Solution:
1) Activate the publishing
feature at site collection level and site level. If it is already activated
make sure it was activated properly.
2) Upload your html file
into “/_catalogs/masterpage” location and try the
conversation process again, because “HtmlDesignAssociated”
column is not available for all document libraries.