Flow price: --
12b6a33de328e3ccc76f4dfc341cdde6ee3c037950a13216a3a99f7e88516444

Transaction

Hash: 12b6a33de328e3ccc76f4dfc341cdde6ee3c037950a13216a3a99f7e88516444
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 12b6a33de328e3ccc76f4dfc341cdde6ee3c037950a13216a3a99f7e88516444:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
12b6a33de328e3ccc76f4dfc341cdde6ee3c037950a13216a3a99f7e88516444
Status:
ERROR
Block height:
40034769
Block id:
c3c02a84eae00db7b66b64c8d130597b784b926cb5579d92d12dfaf651dda00e
Timestamp:
Monday 31 October 2022 at 07:38:12 UTC
()
Proposer:
Authorizers:
Gas used:
47