Flow price: --
4fece4488dcf159e84fba20894c746ef939a5a3bfbbf5390069aedc6a6325da9

Transaction

Hash: 4fece4488dcf159e84fba20894c746ef939a5a3bfbbf5390069aedc6a6325da9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4fece4488dcf159e84fba20894c746ef939a5a3bfbbf5390069aedc6a6325da9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4fece4488dcf159e84fba20894c746ef939a5a3bfbbf5390069aedc6a6325da9
Status:
ERROR
Block height:
40044773
Block id:
90905ac3f9c660ca591625ce3367d035bf3533dd1b948af86ab1f765e02ded81
Timestamp:
Monday 31 October 2022 at 11:39:38 UTC
()
Proposer:
Authorizers:
Gas used:
47