Flow price: --
ba771f53b008c37f82fe8bf6f21aeb400f8e3451fddb0b40dbce81f5e7ee3ad3

Transaction

Hash: ba771f53b008c37f82fe8bf6f21aeb400f8e3451fddb0b40dbce81f5e7ee3ad3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ba771f53b008c37f82fe8bf6f21aeb400f8e3451fddb0b40dbce81f5e7ee3ad3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ba771f53b008c37f82fe8bf6f21aeb400f8e3451fddb0b40dbce81f5e7ee3ad3
Status:
ERROR
Block height:
40115795
Block id:
ca1f2c096eb503c910f4ed10d0daff35ce878d55d83601bcf00a3d07e5d066fb
Timestamp:
Tuesday 1 November 2022 at 16:18:49 UTC
()
Proposer:
Authorizers:
Gas used:
48