Flow price: --
b543f02f38f6fd6b12b47dfeb9c1d21518e6e7f4bc4248bfd3a382282481b313

Transaction

Hash: b543f02f38f6fd6b12b47dfeb9c1d21518e6e7f4bc4248bfd3a382282481b313
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b543f02f38f6fd6b12b47dfeb9c1d21518e6e7f4bc4248bfd3a382282481b313:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b543f02f38f6fd6b12b47dfeb9c1d21518e6e7f4bc4248bfd3a382282481b313
Status:
ERROR
Block height:
40165825
Block id:
7570755576e9463f8c3afd28ab0fdb37de0dce3e28ea38bea4659602fd5534e0
Timestamp:
Wednesday 2 November 2022 at 12:39:31 UTC
()
Proposer:
Authorizers:
Gas used:
48