Flow price: --
5a15b8cca72bea6114402277764e31f3210fcf65651bb8fd52611b5cc0d83196

Transaction

Hash: 5a15b8cca72bea6114402277764e31f3210fcf65651bb8fd52611b5cc0d83196
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a15b8cca72bea6114402277764e31f3210fcf65651bb8fd52611b5cc0d83196:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5a15b8cca72bea6114402277764e31f3210fcf65651bb8fd52611b5cc0d83196
Status:
ERROR
Block height:
39852917
Block id:
aa6b7049af1b7245e3c17a3b1f5e465c173b10f8a2eb2ae5fdd0343e4afbf89d
Timestamp:
Friday 28 October 2022 at 06:56:58 UTC
()
Proposer:
Authorizers:
Gas used:
49