Anybody aware about this error : Error code ID: APNX-1-4198-019.(UserID:

Anybody aware about this error :
Error code ID: APNX-1-4198-019.(UserID:
<<user Name>>. Error code ID: APNX-1-4198-019. Error details: {"title":"An Error Has Occurred","message":"Expression evaluation error in rule '<<Rule Name 1>>' (called by rules 'Rule Name 2' >
'Rule Name 3') at function a!dynamicLink [line
26]: An error occurred while executing a save: Expression evaluation error
: The save target must be a load() variable, process variable, or node input (or a rule input passed one of those three), but instead was:
false","details":"","code":"APNX-1-4198-019"})

OriginalPostID-201368

OriginalPostID-201368