Flow price: --
7654094e4aa4a2974968d3973231feae9de5dd55f911bc24d69e8d5e209b093a

Transaction

Hash: 7654094e4aa4a2974968d3973231feae9de5dd55f911bc24d69e8d5e209b093a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7654094e4aa4a2974968d3973231feae9de5dd55f911bc24d69e8d5e209b093a: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:
7654094e4aa4a2974968d3973231feae9de5dd55f911bc24d69e8d5e209b093a
Status:
ERROR
Block height:
40145232
Block id:
c46039ca5c17a86b4ed0a4590a73fe5d483187727b23dba8b57633a0d885bab5
Timestamp:
Wednesday 2 November 2022 at 04:17:44 UTC
()
Proposer:
Authorizers:
Gas used:
47