Flow price: --
c8ea796b4429c66f3589f53deacacd942a85c91a4fde5b1d70d588dd8b6b4307

Transaction

Hash: c8ea796b4429c66f3589f53deacacd942a85c91a4fde5b1d70d588dd8b6b4307
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c8ea796b4429c66f3589f53deacacd942a85c91a4fde5b1d70d588dd8b6b4307:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c8ea796b4429c66f3589f53deacacd942a85c91a4fde5b1d70d588dd8b6b4307
Status:
ERROR
Block height:
39996799
Block id:
cf8e5cf21632e1731d83475573e3f3ac06e4cd4264fef90d9e2036703c8641e4
Timestamp:
Sunday 30 October 2022 at 16:28:57 UTC
()
Proposer:
Authorizers:
Gas used:
50