Can not up load one of my pages to my website - get error message shown below

The page I am uploading is clean with no errors and works fine in live view, Other pages on my web site up load fine.  Could you provide some suggestions on how to trouble shoot this problem?  I am a relatively low level web builder basically using what I designed 10 years ago and regularly update my travel website: www.rogerzellmer.com ,

ERROR SHOWN BELOW

Started: 2/26/2017 11:20 AM

Connected to camping4.

photos\photos_sc1.htm - Transferring

photos\photos_sc1.htm - error occurred - An FTP error occurred - cannot put photos_sc1.htm.  Internal data error, possibly because of failure to start the upload.

File activity incomplete. 1 file(s) or folder(s) were not completed.

File Transfer failed due to following reasons:

- Internal data error, possibly because of failure to start the upload.

Files with errors: 1

photos\photos_sc1.htm

Finished: 2/26/2017 11:20 AM