Flow price: --
f736d46e2eaa24bd26f0aca5799fa04d70fbc0e3c6f4128af444aa6cd1042523

Transaction

Hash: f736d46e2eaa24bd26f0aca5799fa04d70fbc0e3c6f4128af444aa6cd1042523
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f736d46e2eaa24bd26f0aca5799fa04d70fbc0e3c6f4128af444aa6cd1042523:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f736d46e2eaa24bd26f0aca5799fa04d70fbc0e3c6f4128af444aa6cd1042523
Status:
ERROR
Block height:
39907627
Block id:
8da33a3906bb20764c610651fef2039e8bbdb4476d8ffe2d8a264c8cff88c9cc
Timestamp:
Saturday 29 October 2022 at 04:49:03 UTC
()
Proposer:
Authorizers:
Gas used:
47