Flow price: --
4452fe3fe204bced0f5d0ac85f59f103f5768c046c9da0a2482b71513b25b65c

Transaction

Hash: 4452fe3fe204bced0f5d0ac85f59f103f5768c046c9da0a2482b71513b25b65c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4452fe3fe204bced0f5d0ac85f59f103f5768c046c9da0a2482b71513b25b65c: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:
4452fe3fe204bced0f5d0ac85f59f103f5768c046c9da0a2482b71513b25b65c
Status:
ERROR
Block height:
39857959
Block id:
99de470e0fb764b2bcd8a94e0485f8aa9b489c9a3f066c0c1b5a4df8df77058e
Timestamp:
Friday 28 October 2022 at 08:59:47 UTC
()
Proposer:
Authorizers:
Gas used:
49