Internal Error: ffodfo:aftstt, 1841

 Hi All!When I run monthly payroll run, I get next error on some employees assignments results:

An error occurred during formula execution:

Internal Error: ffodfo:aftstt, 1841

Cause:        An internal error was detected due to an unknown internal data type.

An error occurred during formula execution:

Internal Error: ffodfo:aftstt, 1862

Cause:        An internal error was detected due to an unknown internal data type.

Does anybody know how can I resolve with issue??

Formulas was not changed

Log file:

HR_51118_HRPROC_ERR_OCC_ON_ASG ASGNO 10 APP-PAY-51118: Error was encountered when processing assignment 10 HR_51119_HRPROC_ERR_OCC_ON_ET ETNAME Оклад APP-PAY-51119: Error was encountered when processing Element Type Оклад HR_51120_HRPROC_ERR_OCC_ON_FML FMLANAME Н001_ОПЛАТА_ПО_ОКЛАДУ APP-PAY-51120: Error was encountered when processing formula Н001_ОПЛАТА_ПО_ОКЛАДУ HR_6867_HRPROC_FMLA_ORA_ERR ORACLE_ERROR_TEXT FORMULA_ERROR_TEXT Internal Error: ffodfo:aftstt, 1841 Cause: An internal error was detected due to an unknown internal data typ e. Action: Please refer to your local support representative. APP-PAY-06867: An error occurred during formula execution: Internal Error: ffodfo:aftstt, 1841 Cause: An internal error was detected due to an unknown internal data type. Action: