Flow price: --
5b21b3337ed7e1f00cb5118d8fff5c9600d9ce11bba68c9d54f3bb12b7e986c5

Transaction

Hash: 5b21b3337ed7e1f00cb5118d8fff5c9600d9ce11bba68c9d54f3bb12b7e986c5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5b21b3337ed7e1f00cb5118d8fff5c9600d9ce11bba68c9d54f3bb12b7e986c5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5b21b3337ed7e1f00cb5118d8fff5c9600d9ce11bba68c9d54f3bb12b7e986c5
Status:
ERROR
Block height:
39741616
Block id:
5e88f52b70cef92aafdd159150b4b8b049a2315990d98a278992389c43d8ffc2
Timestamp:
Wednesday 26 October 2022 at 10:03:47 UTC
()
Proposer:
Authorizers:
Gas used:
48