Flow price: --
4f4f5392401d8e63208e3bce09d51ee6450f96c5ba91e2b7f986667f4dc9e901

Transaction

Hash: 4f4f5392401d8e63208e3bce09d51ee6450f96c5ba91e2b7f986667f4dc9e901
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f4f5392401d8e63208e3bce09d51ee6450f96c5ba91e2b7f986667f4dc9e901:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f4f5392401d8e63208e3bce09d51ee6450f96c5ba91e2b7f986667f4dc9e901
Status:
ERROR
Block height:
40128172
Block id:
d92496704bd0ef3c6eef8651b4cdd0cc1b538ab0137b5608f919b76f40f39c01
Timestamp:
Tuesday 1 November 2022 at 21:21:25 UTC
()
Proposer:
Authorizers:
Gas used:
49