Insufficient disk space for ISDN environment services
ISDN environment services tried to allocate disk space for control files, but there was insufficient disk space.
The name of the directory in which the ISDN environment services files are stored, the space required, and the space available are recorded in this error log entry. Make more space available, either by deleting old files from this directory, or by allocating more disk space to the file system containing this directory.
Red
Log, System Monitor