Flow price: --
5ac21aab993f2165a56ca51eb49b2818cddd66ae836a74b03c3f4a4f41eac7b4

Transaction

Hash: 5ac21aab993f2165a56ca51eb49b2818cddd66ae836a74b03c3f4a4f41eac7b4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5ac21aab993f2165a56ca51eb49b2818cddd66ae836a74b03c3f4a4f41eac7b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5ac21aab993f2165a56ca51eb49b2818cddd66ae836a74b03c3f4a4f41eac7b4
Status:
ERROR
Block height:
39806029
Block id:
4692d7b9b9c6fe9abb90fa0c1c2b5db46211aae9cb68810459557f062df34cd8
Timestamp:
Thursday 27 October 2022 at 12:01:13 UTC
()
Proposer:
Authorizers:
Gas used:
47