Flow price: --
6319bb96830c13d0496d75a8c5bf2e64b5eac5f3651deb6c77dba609012c9f3b

Transaction

Hash: 6319bb96830c13d0496d75a8c5bf2e64b5eac5f3651deb6c77dba609012c9f3b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6319bb96830c13d0496d75a8c5bf2e64b5eac5f3651deb6c77dba609012c9f3b: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:
6319bb96830c13d0496d75a8c5bf2e64b5eac5f3651deb6c77dba609012c9f3b
Status:
ERROR
Block height:
39987454
Block id:
3211034c1ae3bcd2fdf1f6609524b1929b6a769922927b093b528b4828d72cad
Timestamp:
Sunday 30 October 2022 at 12:44:35 UTC
()
Proposer:
Authorizers:
Gas used:
50