Flow price: --
69a3c3949e60b5ec7724a7bbe2a7723f999b2ee6f076259b84c60ec4ab8696ad

Transaction

Hash: 69a3c3949e60b5ec7724a7bbe2a7723f999b2ee6f076259b84c60ec4ab8696ad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69a3c3949e60b5ec7724a7bbe2a7723f999b2ee6f076259b84c60ec4ab8696ad: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:
69a3c3949e60b5ec7724a7bbe2a7723f999b2ee6f076259b84c60ec4ab8696ad
Status:
ERROR
Block height:
40077981
Block id:
b7d2a0aa51a74813de562390e80c6307aa6953b2ecbe5de1816581e601196919
Timestamp:
Tuesday 1 November 2022 at 00:59:10 UTC
()
Proposer:
Authorizers:
Gas used:
49