Flow price: --
9740353c1935a741169466117a65b011796bc0ad2ac2dc706d4a22b86499dcec

Transaction

Hash: 9740353c1935a741169466117a65b011796bc0ad2ac2dc706d4a22b86499dcec
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9740353c1935a741169466117a65b011796bc0ad2ac2dc706d4a22b86499dcec: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:
9740353c1935a741169466117a65b011796bc0ad2ac2dc706d4a22b86499dcec
Status:
ERROR
Block height:
39857222
Block id:
4004bb4db32aa8166b5450fc947881bea7c1bd2079815f2f067067b707b61c03
Timestamp:
Friday 28 October 2022 at 08:41:56 UTC
()
Proposer:
Authorizers:
Gas used:
46