You can read more about the case in Uniforum's notice 25/10/22: UiO makes humble appology after e-mail about repayment of salary- Uniforum (in Norwegian)
Forskerforbudnet has received assurances that the correction will not have a negative impact on the individual employee when the correction of seniority rise has been calculated, and the results of central and local settlements have been entered. You can therefore consent to the correction. You can request that the repayment of salary is settled against this year salary promotion.