Flow price: --
b74c82048403d37f88e83aa3659fa437d55474ff912cc08ea7719ef046011744

Transaction

Hash: b74c82048403d37f88e83aa3659fa437d55474ff912cc08ea7719ef046011744
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b74c82048403d37f88e83aa3659fa437d55474ff912cc08ea7719ef046011744:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b74c82048403d37f88e83aa3659fa437d55474ff912cc08ea7719ef046011744
Status:
ERROR
Block height:
40116081
Block id:
1bf215b2800ba1221f1e5792295cec53bf6602a33349f5e17ce051ddc70889cf
Timestamp:
Tuesday 1 November 2022 at 16:25:41 UTC
()
Proposer:
Authorizers:
Gas used:
47