How to fix error "Fatal error: Cannot access empty property " and " Warning: Invalid argument supp"

[boonthanom]

Hi All

I had upgrade my shop from PS. 1.2.50 to PS.1.4.5.1 look like successfully , and then I have import Old data to new database . when I open my shop

Also that shown error screen as files attach.

Pls. suggest me how to fix an issues.

 

Detail For Error after import old data

Warning: Invalid argument supplied for foreach() in /home1/gclubfor/public_html/svs-en/classes/Link.php on line 206

 

Fatal error: Cannot access empty property in /home1/gclubfor/public_html/svs-en/classes/FrontController.php on line 232