Flow price: --
b997e6a09001fd35536fe6da79d7d42e69e98eca7d4690c9029c66329a1e7c86

Transaction

Hash: b997e6a09001fd35536fe6da79d7d42e69e98eca7d4690c9029c66329a1e7c86
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b997e6a09001fd35536fe6da79d7d42e69e98eca7d4690c9029c66329a1e7c86:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b997e6a09001fd35536fe6da79d7d42e69e98eca7d4690c9029c66329a1e7c86
Status:
ERROR
Block height:
39670784
Block id:
a642172754ba28fa5d8a80bebb08e89ac2ee967a0995f554901e4577cea62fe0
Timestamp:
Tuesday 25 October 2022 at 05:37:14 UTC
()
Proposer:
Authorizers:
Gas used:
50