#1 Is the IWP access checked on in the Security Settings (File | Manage | Security) for the privilege set?
#2 On the privilege set edit screen for layouts, is the layout active for view?
Lookups look up data from tables, not layouts.
And relationships can match values by ranges as well as by discrete values--though they can be slower to evaluate. Sometimes you can match to values using a return separated list of values such as a list of the dates from date 1 to date 2.
Best guess is that your script either contains a web incompatible script step or you are trying to use a script trigger to perform the script--both will fail in IWP but will work from a FileMaker client.
I did not see an active for view button. Am i in the right place?
No script triggers. I have the IWP set at the bottom of the script edit box to check for script steps that are not compatible.
I did not see an active for view button. Am i in the right place based on the snap shot from above?
In the table the view is set....
I do see that available menu commands are set to minimum. But I would not expect to see that keep a script from working unless selecting from a menu is supposed to perform the script...