Flow price: --
7233e4a86f0686284637a7fed9adbea31934a36836d11741b29f97c315cfbf85

Transaction

Hash: 7233e4a86f0686284637a7fed9adbea31934a36836d11741b29f97c315cfbf85
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7233e4a86f0686284637a7fed9adbea31934a36836d11741b29f97c315cfbf85:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7233e4a86f0686284637a7fed9adbea31934a36836d11741b29f97c315cfbf85
Status:
ERROR
Block height:
39977778
Block id:
8590ddcd61077c0de2b5744fc7c0881bc71655ca00360b65833f8264ff92a63a
Timestamp:
Sunday 30 October 2022 at 08:52:27 UTC
()
Proposer:
Authorizers:
Gas used:
49