[Koha] 18.05.01 up gradation login access denied

[Arshad Iqbal]

Hi,

I have upgraded koha version 16.05 to 18.05.01. After  upgraded i am trying
to login with master username and password but access denied to login error
facing.
Regards,

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*Muhammad Arshad Iqbal*
Assistant Librarian at Academic Directorate,
National University of Science and Technology (NUST) Islamabad.
Phone number:051-90851371
Cell no.+923444900809