Ghana goalkeeper Adam Kwarasey had a dreadful afternoon on Sunday as he shipped in five goals in Valerenga's 5-2 defeat at Sogndal.
The Ghana international conceded the first goal in five minutes when Ole Martin Rindaroy but his side equalized through Henrik Johansen.
Countryman Gilbert Koomson assisted Eirik Birkelund to make it 2-1 for Sogndal before the break.
After 68 minutes, Christian Grindheim made it 2-2 for Valerenga.
But Kwarasey conceded three goals in five minutes to consign his side to defeat.
The 29-year-old was making his 14 appearances for Valerenga in the Eliteserien.