Flow price: --
f509392098cf9ec3668fbaca325b0b98e5b80fddc738bfea87fba3a16ead6bf8

Transaction

Hash: f509392098cf9ec3668fbaca325b0b98e5b80fddc738bfea87fba3a16ead6bf8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f509392098cf9ec3668fbaca325b0b98e5b80fddc738bfea87fba3a16ead6bf8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f509392098cf9ec3668fbaca325b0b98e5b80fddc738bfea87fba3a16ead6bf8
Status:
ERROR
Block height:
39729138
Block id:
25e81aa3e86477a94db86ddb9476e371cc9324ae12551ec107af19b1b1715c02
Timestamp:
Wednesday 26 October 2022 at 05:02:54 UTC
()
Proposer:
Authorizers:
Gas used:
51