Flow price: --
63d4a30f0be180a9fe3b7960dc52aaf5cf0b40c5f8d74e286d9847f0641dfb58

Transaction

Hash: 63d4a30f0be180a9fe3b7960dc52aaf5cf0b40c5f8d74e286d9847f0641dfb58
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 63d4a30f0be180a9fe3b7960dc52aaf5cf0b40c5f8d74e286d9847f0641dfb58:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
63d4a30f0be180a9fe3b7960dc52aaf5cf0b40c5f8d74e286d9847f0641dfb58
Status:
ERROR
Block height:
39900980
Block id:
8704a86c458ed44808330c3882f89c3101be36e3f95d57d74f6a79a54b9958e5
Timestamp:
Saturday 29 October 2022 at 02:09:34 UTC
()
Proposer:
Authorizers:
Gas used:
46