Flow price: --
63a433886fd584228a48df7e3b1905e49ef039f821c870c9218e2a93eacc9362

Transaction

Hash: 63a433886fd584228a48df7e3b1905e49ef039f821c870c9218e2a93eacc9362
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 63a433886fd584228a48df7e3b1905e49ef039f821c870c9218e2a93eacc9362:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
63a433886fd584228a48df7e3b1905e49ef039f821c870c9218e2a93eacc9362
Status:
ERROR
Block height:
39991382
Block id:
19fa6308bb8dcdce0ceb8295715e8d8308b0e032d261923f846c02ac42beca72
Timestamp:
Sunday 30 October 2022 at 14:18:37 UTC
()
Proposer:
Authorizers:
Gas used:
53