Abnormal or unexpected HSL OptiConnect disconnection from a remote system or partition. Licensed Internal Code internal error. All systems participating in HSL OptiConnect will be disconnected. You must re-IPL the system to recover. Before re-IPL'ing the system, start a platform dump. On the local system or partition, after getting the dump, examine the SAL or the serviceable event view. Look for HSL Opticonnect failures that occurred at approximately the same time as this error. Examine the remote systems or partitions for problems. On the remote systems or partitions, examine the SAL or the serviceable event view. Look for HSL Opticonnect problems that occurred at approximately the same time as this error. Collect all the PAL information for this failure on all systems and partitions on this RIO or HSL loop. Be sure to record all words in the SRCs. Contact your next level of support.