Flow price: --
15369a3f5d8eb1cad3e37b05b3991a9d4a533578c944c7eedd7add1d0f1a8955

Transaction

Hash: 15369a3f5d8eb1cad3e37b05b3991a9d4a533578c944c7eedd7add1d0f1a8955
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 15369a3f5d8eb1cad3e37b05b3991a9d4a533578c944c7eedd7add1d0f1a8955:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
15369a3f5d8eb1cad3e37b05b3991a9d4a533578c944c7eedd7add1d0f1a8955
Status:
ERROR
Block height:
39913530
Block id:
0f36b2c80b05bd999476484e6eacce24fda0d4cf6fc051da41d1928da512a76e
Timestamp:
Saturday 29 October 2022 at 07:11:04 UTC
()
Proposer:
Authorizers:
Gas used:
49