Flow price: --
749dbe6f34f137e71c7add355b616a2c66464689f58e880f25190c24602c48a2

Transaction

Hash: 749dbe6f34f137e71c7add355b616a2c66464689f58e880f25190c24602c48a2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 749dbe6f34f137e71c7add355b616a2c66464689f58e880f25190c24602c48a2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
749dbe6f34f137e71c7add355b616a2c66464689f58e880f25190c24602c48a2
Status:
ERROR
Block height:
39741738
Block id:
89eaf19f51bfcac2c923e3a61b10772484ba283ff24f0b3de714300da40e9c8b
Timestamp:
Wednesday 26 October 2022 at 10:06:57 UTC
()
Proposer:
Authorizers:
Gas used:
49