Flow price: --
d4a63e8976e83f0308b83ac676946b6f05e3295037f93eed59a6be55aef7d9c0

Transaction

Hash: d4a63e8976e83f0308b83ac676946b6f05e3295037f93eed59a6be55aef7d9c0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d4a63e8976e83f0308b83ac676946b6f05e3295037f93eed59a6be55aef7d9c0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d4a63e8976e83f0308b83ac676946b6f05e3295037f93eed59a6be55aef7d9c0
Status:
ERROR
Block height:
40134683
Block id:
ccc00008add43e92979ffefaa717e382b1254a8982cc05fc4d44d071acccc9fb
Timestamp:
Wednesday 2 November 2022 at 00:01:37 UTC
()
Proposer:
Authorizers:
Gas used:
48