KB47546: "Inbox message result is not ready" or empty error message appears when running script "ALTER HISTORYLIST SUBSCRIPTION" in Command Manager

SYMPTOM:
 
"Inbox message result is not ready" or empty error message appears when running script "ALTER HISTORYLIST SUBSCRIPTION" in Command Manager
 
The following steps demonstrate how to reproduce the issue in Strategy Tutorial project:

1. Create one report without any prompt. Create a document with this report as dataset.
2. Create History List subscription S1 on this document. Create History List subscription S2 on this dataset.
3. Modify the dataset and add one prompt.
4. Right click on the subscriptions above and choose "Quick view". Both S1 and S2 have no personalization as shown below:

1. Run script for S1 in Command Manager with error as shown below:

ALTER HISTORYLISTSUBSCRIPTION "S1"  OWNER "Developer" IN PROJECT "Strategy Tutorial" ;

Syntax is correct.
(Inbox MESSAGE result is not ready.).
Task(s) EXECUTION completed WITH errors.
EXECUTION TIME: 00:00:00 

1. Run similar script for S2 with empty error as shown below:
   

ALTER HISTORYLISTSUBSCRIPTION "S2"  OWNER "Developer"    IN PROJECT "Strategy Tutorial" ; 

Syntax is correct.
().
Task(s) EXECUTION completed WITH errors.
EXECUTION TIME: 00:00:00