it’s been running great, but last week when i  configuration > pollers > export configuration 
i get  
 

Preparing environment... OK           [ - ] pollersname
Generating files... NOK                    sh: line 1: : command not found

Aborted.

I don’t see anything in any logs (or it’s possible that i’m missing the log i need to look at ..  
does anybody know why this happens.  
running 23.04   

Thank you in advance. 

<al> 

Newly discovered.  when I do not check Run Monitoring engine debug (v)  it exports. 
what does it do to run Monitoring engine debug? 

<al>