Flow price: --
7708619f21718184ec909fd29da64bd898d9a0f421d4a91f92f1282aaf467586

Transaction

Hash: 7708619f21718184ec909fd29da64bd898d9a0f421d4a91f92f1282aaf467586
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7708619f21718184ec909fd29da64bd898d9a0f421d4a91f92f1282aaf467586:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7708619f21718184ec909fd29da64bd898d9a0f421d4a91f92f1282aaf467586
Status:
ERROR
Block height:
39948256
Block id:
235ea6ec941f17a0a33289c5547870d30fd51da70070e26f092c24186c5ee2df
Timestamp:
Saturday 29 October 2022 at 21:08:44 UTC
()
Proposer:
Authorizers:
Gas used:
46