Flow price: --
3a4e39f21573fa6f26b75f0c2270f618db23f16055ffee9a3ac8bfadf2ba3ab0

Transaction

Hash: 3a4e39f21573fa6f26b75f0c2270f618db23f16055ffee9a3ac8bfadf2ba3ab0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3a4e39f21573fa6f26b75f0c2270f618db23f16055ffee9a3ac8bfadf2ba3ab0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3a4e39f21573fa6f26b75f0c2270f618db23f16055ffee9a3ac8bfadf2ba3ab0
Status:
ERROR
Block height:
39907627
Block id:
8da33a3906bb20764c610651fef2039e8bbdb4476d8ffe2d8a264c8cff88c9cc
Timestamp:
Saturday 29 October 2022 at 04:49:03 UTC
()
Proposer:
Authorizers:
Gas used:
69