Flow price: --
4405b429b5fb7578c8350ceee18acf816c7a798fe5ff9e2353f1960c6ac5d47d

Transaction

Hash: 4405b429b5fb7578c8350ceee18acf816c7a798fe5ff9e2353f1960c6ac5d47d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4405b429b5fb7578c8350ceee18acf816c7a798fe5ff9e2353f1960c6ac5d47d: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:
4405b429b5fb7578c8350ceee18acf816c7a798fe5ff9e2353f1960c6ac5d47d
Status:
ERROR
Block height:
39930692
Block id:
161cdfa5cb0c9231bce3a1a8ea18598a309ed5999b259ab15d75d075b1667452
Timestamp:
Saturday 29 October 2022 at 14:06:02 UTC
()
Proposer:
Authorizers:
Gas used:
39