Flow price: --
d698d46cf1f52a6e9eee06cb2feb6afaa20f61c1a95ecc13cf3329dfe7c50350

Transaction

Hash: d698d46cf1f52a6e9eee06cb2feb6afaa20f61c1a95ecc13cf3329dfe7c50350
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d698d46cf1f52a6e9eee06cb2feb6afaa20f61c1a95ecc13cf3329dfe7c50350:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d698d46cf1f52a6e9eee06cb2feb6afaa20f61c1a95ecc13cf3329dfe7c50350
Status:
ERROR
Block height:
39987543
Block id:
d6023d800a9fbc1197a411c70616d52a3c454fba1c81ecb4bc7b81c17685b203
Timestamp:
Sunday 30 October 2022 at 12:46:43 UTC
()
Proposer:
Authorizers:
Gas used:
49