Database error 50000 at OPC

Hi experts,

i have a problem in my system, is a ECC with SQL Server 2008 SP1, in the TX SM21 i see database error 50000 at OPC, but in the SM50 i try to view the WP but i dont find the task with this WP 

Task...... Process                               User...... Terminal Session TCode Program       Cl   Problem cl                  Package

04840      Dialog work process No. 000 DDIC                      1                  SAPMSSY1  K   SAP Web AS Problem SBAC

Module nam Line Table Name  Field Name

dbds            398  50000          OPC

if you could help me and giveme a ligth to resolve this error i be a man happiness in the world jejejejje

thanks for you help and time.