https://support.citrix.com/external/article/132792/error-lost-connection-to-lmgrd-heartbeat.html
Error: Lost connection to lmgrd, heartbeat timeout expired, exiting. EXITING DUE TO SIGNAL 28 Exit...
Error: Lost connection to lmgrd, heartbeat timeout expired, exiting. EXITING DUE TO SIGNAL 28 Exit Reason 5 in License server