core/Router.php error coming

I have uploaded my site on godaddy and getting this error when clicking on any link 2 to 4 times cant figure out why this hapennig

A PHP Error was encountered
Severity: Warning
Message: Attempt to assign property of non-object
Filename: core/Router.php
Line Number: 142
A PHP Error was encountered
Severity: Warning
Message: Attempt to assign property of non-object
Filename: core/Router.php
Line Number: 147
A PHP Error was encountered
Severity: Warning
Message: Attempt to assign property of non-object
Filename: core/URI.php
Line Number: 165
A PHP Error was encountered
Severity: Warning
Message: Attempt to assign property of non-object
Filename: core/Router.php
Line Number: 410
A PHP Error was encountered
Severity: Warning
Message: Attempt to assign property of non-object
Filename: core/Router.php
Line Number: 437
A PHP Error was encountered
Severity: Warning
Message: Attempt to assign property of non-object
Filename: core/Router.php
Line Number: 469