Explanation
The storage requested by command TRACE ST, nnnK/nnnM/nG
for the system trace buffer size of each processor exceeded the maximum
allowed. 
The
maximum system trace buffer size depends on real frame usage at the
time the TRACE ST command is issued.
In the message text:
- scaled_value
- The maximum system trace buffer size that was allowed at the time
the command was issued. It is a decimal number followed by a scaling
suffix of M which indicates that the value is the decimal number multiplied
by 1048576.Note: The value provided was the value available as of the time of the message but might not be available when a subsequent command is issued.
System action
MVS™ cannot process the command.
Operator response
Enter the command again with smaller buffer size which is within the allowable limit.
Source
System Trace
Module
IEECB925
Routing code
*
Descriptor code
5