Just ran into the same issue with the same fix (close browser and reopen) I recreated the error using the following steps: 1. create a text input field with label/token field1 2. create a drop down, set the label/token to field1, dynamically created based off a search (in my case it was a lookup) 3. delete the text input 4. select a value from the drop down (at this point the drop down should disappear) ... View more

I tend to use appendpipe to avoid race conditions, to my understanding it pauses the search while it processes everything up to that point before opening up the appendpipe. | appendpipe [ | makeresults | fields - _time ] https://docs.splunk.com/Documentation/Splunk/8.0.0/SearchReference/Appendpipe "Appends the result of the subpipeline to the search results. Unlike a subsearch, the subpipeline is not run first. The subpipeline is run when the search reaches the appendpipe command. " ... View more

| inputlookup Lookup_File_Name.csv | streamstats count as row You'll have to use | outputlookup if you want to save the row numbers. Note: If you plan to save it or do more manipulation with it later on you might want to make it into a zero padded string: | eval row=substr("0000".row,-5) ... View more