Flow price: --
12634101c01864553525b8a2f5d5a25c1ced3a52f1e4cf6407cab2b049c88082

Transaction

Hash: 12634101c01864553525b8a2f5d5a25c1ced3a52f1e4cf6407cab2b049c88082
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12634101c01864553525b8a2f5d5a25c1ced3a52f1e4cf6407cab2b049c88082:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
12634101c01864553525b8a2f5d5a25c1ced3a52f1e4cf6407cab2b049c88082
Status:
ERROR
Block height:
39974151
Block id:
08dab4986f7924bdd7538d1f0fd7dfa34a41e4cc5d6947d1c4e65b87beb67ebd
Timestamp:
Sunday 30 October 2022 at 07:26:08 UTC
()
Proposer:
Authorizers:
Gas used:
46