Flow price: --
95c181dfbd8e8b281293e763253af89b566e441622698b04a3c14d6bad5e7706

Transaction

Hash: 95c181dfbd8e8b281293e763253af89b566e441622698b04a3c14d6bad5e7706
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 95c181dfbd8e8b281293e763253af89b566e441622698b04a3c14d6bad5e7706:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
95c181dfbd8e8b281293e763253af89b566e441622698b04a3c14d6bad5e7706
Status:
ERROR
Block height:
40161786
Block id:
055025f274a1db21dee5b1aafd151aa58ccaedf3f46fe3430f0c4599458e8e97
Timestamp:
Wednesday 2 November 2022 at 11:01:53 UTC
()
Proposer:
Authorizers:
Gas used:
50