Flow price: --
f909ef0ffbb727d5e36ed8d664a9c588e0bef2fa817bb9633bdc399978e3ee73

Transaction

Hash: f909ef0ffbb727d5e36ed8d664a9c588e0bef2fa817bb9633bdc399978e3ee73
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> f909ef0ffbb727d5e36ed8d664a9c588e0bef2fa817bb9633bdc399978e3ee73:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
f909ef0ffbb727d5e36ed8d664a9c588e0bef2fa817bb9633bdc399978e3ee73
Status:
ERROR
Block height:
41638888
Block id:
d78c0b9e126eb7dbbcbe639767fcf60514ab3735ee4c6347b1bb35e74d3b952b
Timestamp:
Saturday 26 November 2022 at 19:23:01 UTC
()
Proposer:
Authorizers:
Gas used:
23