Text Tool or Excel Input not outputting.

[Number4]

I've been running for quite some time.
I needed to make an adjustment to it, where I added a Text Input tool and a Join.

The text input tool would not output anything.  In fact, the Select Tool next in line only showed *Unknown.

I changed it to an Excel file, with the same results.

However, if I copy the input tool with the select and put it in a new workflow, it runs as it should.

It's one column with 13 rows.

***Updated with images***

I have a workflow

[roughchr]

.

[compunut]

Now having this problem but never had it before!? Just upgraded to Ver 2024.1.1.17 and same issue.
Tried copying all controls to new work flows EXCEPT the new input tool and no joy - once any new Input is added then that tool does not work but others still do.
That new tool returns data when refreshed into preview. Copying that tool to a new flow by itself works fine there :( :(

[compunut]

I believe I have narrowed it down to the BLOCK UNTIL DONE Tool... 

If I temporarily remove that tool or disable the container its inside of then the other Input Data tool produces records as expected!!??
(and that Input Data currently does not even join to the flow - though it is intended to be used for filtering data at some point)

Image attached, showing a segment of the workflow with the Block Until Done tool and second Input Data in same screen just for convenience of viewing

[compunut]

Upon further experimentation it seems the issue was caused by a Container being Enabled that is downstream from a Disabled container?
That Disabled container doing the work was toggled as Active based on user input to perform a particular process or not (of several)
and would then generate an email message (in the next container) using some of the record information.
When that 'Enabled' subsequent container was simply dragged into the Disabled container - to encapsulate and thus Disable the entire tool set - then the other Input Data tools were suddenly producing data!? 
I am not clear yet WHY this original arrangement was okay as long as the Block Until Done tool was not in the other stream?