Error message upload file uncompressed

1
Print Send File uncompressed
h t t p : / / i m g u r . c o m /a/S R u Q N ---> REMOVE SPACE "Link URL not allowed"

2
Print Send File uncompressed
h t t p : / / i m g u r . com/a/V 7 E X s ---> REMOVE SPACE "Link URL not allowed"

3
h t t p : / / i m g u r . com/a/p O v t 3 ---> REMOVE SPACE "Link URL not allowed"

This is why I have compacted with WinRar, do not give error, how can I put the file without being compressed without giving error