[Android Apps and Games] Haldi4803:
Start batch renaming
Using format: yyyyddMM_HHmmss
Files to process: 19
Renamed 'DSC_0001.JPG' to '20181506_205043.JPG'
Renamed 'DSC_0537.JPG' to '20180206_210356.JPG'
Renamed 'DSC_0538.JPG' to '20180206_210410.JPG'
Renamed 'DSC_0542.JPG' to '20180606_171910.JPG'
Renamed 'DSC_0543.JPG' to '20180606_174720.JPG'
Renamed 'DSC_0544.JPG' to '20180606_174811.JPG'
Renamed 'DSC_0545.JPG' to '20180606_174838.JPG'
Renamed 'DSC_0546.JPG' to '20180606_175015.JPG'
Renamed 'DSC_0547.JPG' to '20180606_175046.JPG'
Renamed 'DSC_0548.JPG' to '20180606_175205.JPG'
Renamed 'DSC_0549.JPG' to '20181106_121757.JPG'
Renamed 'DSC_0550.JPG' to '20181506_214645.JPG'
Renamed 'DSC_0551.JPG' to '20181606_195632.JPG'
Renamed 'DSC_0552.JPG' to '20181606_205553.JPG'
Renamed 'DSC_0553.JPG' to '20181606_205605.JPG'
Renamed 'DSC_0554.JPG' to '20181606_213630.JPG'
Renamed 'DSC_0555.JPG' to '20181606_220333.JPG'
Renamed 'DSC_0556.JPG' to '20181606_220731.JPG'
Renamed 'DSC_0557.JPG' to '20181606_221133.JPG'
Files renamed:19
Files skipped:0
Errors:0

Start batch renaming
Using format: yyyyddMM_HHmmss
Files to process: 19
File format not supported: DSC_0001.JPG mimeType: text/html
File format not supported: DSC_0537.JPG mimeType: text/html
File format not supported: DSC_0538.JPG mimeType: text/html
File format not supported: DSC_0542.JPG mimeType: text/html
File format not supported: DSC_0543.JPG mimeType: text/html
File format not supported: DSC_0544.JPG mimeType: text/html
File format not supported: DSC_0545.JPG mimeType: text/html
File format not supported: DSC_0546.JPG mimeType: text/html
File format not supported: DSC_0547.JPG mimeType: text/html
File format not supported: DSC_0548.JPG mimeType: text/html
File format not supported: DSC_0549.JPG mimeType: text/html
File format not supported: DSC_0550.JPG mimeType: text/html
File format not supported: DSC_0551.JPG mimeType: text/html
File format not supported: DSC_0552.JPG mimeType: text/html
File format not supported: DSC_0553.JPG mimeType: text/html
File format not supported: DSC_0554.JPG mimeType: text/html
File format not supported: DSC_0555.JPG mimeType: text/html
File format not supported: DSC_0556.JPG mimeType: text/html
File format not supported: DSC_0557.JPG mimeType: text/html
Files renamed:0
Files skipped:19
Errors:0

Start batch renaming
Using format: yyyyddMM_HHmmss
Files to process: 19
Renamed 'DSC_0001.JPG' to '20181506_205043.JPG'
Renamed 'DSC_0537.JPG' to '20180206_210356.JPG'
Renamed 'DSC_0538.JPG' to '20180206_210410.JPG'
Renamed 'DSC_0542.JPG' to '20180606_171910.JPG'
Renamed 'DSC_0543.JPG' to '20180606_174720.JPG'
Renamed 'DSC_0544.JPG' to '20180606_174811.JPG'
Renamed 'DSC_0545.JPG' to '20180606_174838.JPG'
Renamed 'DSC_0546.JPG' to '20180606_175015.JPG'
Renamed 'DSC_0547.JPG' to '20180606_175046.JPG'
Renamed 'DSC_0548.JPG' to '20180606_175205.JPG'
Renamed 'DSC_0549.JPG' to '20181106_121757.JPG'
Renamed 'DSC_0550.JPG' to '20181506_214645.JPG'
Renamed 'DSC_0551.JPG' to '20181606_195632.JPG'
Renamed 'DSC_0552.JPG' to '20181606_205553.JPG'
Renamed 'DSC_0553.JPG' to '20181606_205605.JPG'
Renamed 'DSC_0554.JPG' to '20181606_213630.JPG'
Renamed 'DSC_0555.JPG' to '20181606_220333.JPG'
Renamed 'DSC_0556.JPG' to '20181606_220731.JPG'
Renamed 'DSC_0557.JPG' to '20181606_221133.JPG'
Files renamed:19
Files skipped:0
Errors:0

The error is how you select the path! It's not file related.