Flow price: --
d31b36c9a2118a3e4ed4a96c65eb90c9c26b13ddb306ee09d1a063c10e02011e

Transaction

Hash: d31b36c9a2118a3e4ed4a96c65eb90c9c26b13ddb306ee09d1a063c10e02011e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d31b36c9a2118a3e4ed4a96c65eb90c9c26b13ddb306ee09d1a063c10e02011e: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:
d31b36c9a2118a3e4ed4a96c65eb90c9c26b13ddb306ee09d1a063c10e02011e
Status:
ERROR
Block height:
40056514
Block id:
a7df2be77a8f9f0f40dc4f3352bf5ccc7f90d369ce0aebdc5b3eaef6b5f99681
Timestamp:
Monday 31 October 2022 at 16:24:49 UTC
()
Proposer:
Authorizers:
Gas used:
50