ORA-20101: Wrong user name or password

Though previous respective thread for this issue was closed, the issue still persists.
I can not login on following two demo accounts. Everything worked on Fri.

Account name: D172896391001
Login error: 19915;DAS 19915: ZDas Exception
ORA-20101: Wrong user name or password
ORA-06512: at "U100D3.API", line 429
ORA-06512: at line 1

Account name:2188955
Login error: 19915;DAS 19915: ZDas Exception
ORA-20101: Wrong user name or password
ORA-06512: at "U10D25.API", line 429
ORA-06512: at line 1