Flow price: --
4cd68c04133bf260e03fa71e0948ffa6499bd2ecfc5c4e6e1cea339db3c8f43f

Transaction

Hash: 4cd68c04133bf260e03fa71e0948ffa6499bd2ecfc5c4e6e1cea339db3c8f43f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4cd68c04133bf260e03fa71e0948ffa6499bd2ecfc5c4e6e1cea339db3c8f43f: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:
4cd68c04133bf260e03fa71e0948ffa6499bd2ecfc5c4e6e1cea339db3c8f43f
Status:
ERROR
Block height:
39736734
Block id:
38345c9f5d14e74a50699f32336038c53835f727e93355b85978fa53ef4b1a27
Timestamp:
Wednesday 26 October 2022 at 08:06:03 UTC
()
Proposer:
Authorizers:
Gas used:
48