Flow price: --
f7c813b77f0d53f3d160e344ffeeddcf3893a202e8a6502a066d287aa2c3eef1

Transaction

Hash: f7c813b77f0d53f3d160e344ffeeddcf3893a202e8a6502a066d287aa2c3eef1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7c813b77f0d53f3d160e344ffeeddcf3893a202e8a6502a066d287aa2c3eef1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f7c813b77f0d53f3d160e344ffeeddcf3893a202e8a6502a066d287aa2c3eef1
Status:
ERROR
Block height:
40165713
Block id:
7edbee106930266f43e2648cf72550ba43d01d39fb19d70d0ffef6d16dd89839
Timestamp:
Wednesday 2 November 2022 at 12:36:57 UTC
()
Proposer:
Authorizers:
Gas used:
50