Users are unable to cancel the prepayment invoices

AP users are unable to cancel the prepayment invoices.

They get the following error:

APP-SQLAP-10000 : User Defined Exception occured in

Error from trigger JAI_AP_IDA_BRIUD_T1

with parameters (&PARAMETERS)

while performing the following operation:

Error - ja_ap_aida_before_trg on

ap_invoice_distributions_all :

Effective Total invoice amount from threshold cannot be negative. (Total Invoice - Cancel- apply + unapply)

Please help.