Flow price: --
954f7ddc932eed8ccccec02e3eb76dda2daabc088e03b7d8ba8907d6f2e781fe

Transaction

Hash: 954f7ddc932eed8ccccec02e3eb76dda2daabc088e03b7d8ba8907d6f2e781fe
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 954f7ddc932eed8ccccec02e3eb76dda2daabc088e03b7d8ba8907d6f2e781fe: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:
954f7ddc932eed8ccccec02e3eb76dda2daabc088e03b7d8ba8907d6f2e781fe
Status:
ERROR
Block height:
39783427
Block id:
3356a1fb9c459f9f82287e9cd42a2c38b20312fcc417acac70d9ec21c35f6e32
Timestamp:
Thursday 27 October 2022 at 02:54:28 UTC
()
Proposer:
Authorizers:
Gas used:
47