Flow price: --
bb5e91746a73fdd22cfc532f5e9f5bc86d1c119297ed05cf6a2d59a18d8bb509

Transaction

Hash: bb5e91746a73fdd22cfc532f5e9f5bc86d1c119297ed05cf6a2d59a18d8bb509
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb5e91746a73fdd22cfc532f5e9f5bc86d1c119297ed05cf6a2d59a18d8bb509:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bb5e91746a73fdd22cfc532f5e9f5bc86d1c119297ed05cf6a2d59a18d8bb509
Status:
ERROR
Block height:
40000966
Block id:
d48af4602c2e561b77375356c14875cc19cc71702154e227131d9411182a824c
Timestamp:
Sunday 30 October 2022 at 18:09:11 UTC
()
Proposer:
Authorizers:
Gas used:
48