Flow price: --
337182af03d30cb4907b6a4fb5e6d60dab033076265c922b8aff4b6f213f5abc

Transaction

Hash: 337182af03d30cb4907b6a4fb5e6d60dab033076265c922b8aff4b6f213f5abc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 337182af03d30cb4907b6a4fb5e6d60dab033076265c922b8aff4b6f213f5abc: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:
337182af03d30cb4907b6a4fb5e6d60dab033076265c922b8aff4b6f213f5abc
Status:
ERROR
Block height:
39947121
Block id:
1801dfc8bdffeebee791bd958c0abb5d4caa9ae73d1738c15f2239c958ecf79e
Timestamp:
Saturday 29 October 2022 at 20:41:51 UTC
()
Proposer:
Authorizers:
Gas used:
46