PennController for IBEX › Forums › Troubleshooting › Reply To: Troubleshooting
May 19, 2024 at 9:53 pm
#11024
![](https://www.pcibex.net/wp-content/uploads/2019/04/ibex-2-150x150.png)
Participant
Hi Jeremy,
I am working on the SPR experiment, and when I preview the page, it sometimes reports after a few minutes:
Alert from preview: [object Object].
But I didn’t see any problem running the experiment.
Can you help me identify the problem? Thanks!
https://farm.pcibex.net/r/bBLhQc/
Jingqi