Flow price: --
b5715f2baa035e908b0b59abc2f640d2fd17d5ac28a53fdcbb11fdb139e3304c

Transaction

Hash: b5715f2baa035e908b0b59abc2f640d2fd17d5ac28a53fdcbb11fdb139e3304c
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:
  --> b5715f2baa035e908b0b59abc2f640d2fd17d5ac28a53fdcbb11fdb139e3304c: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:
b5715f2baa035e908b0b59abc2f640d2fd17d5ac28a53fdcbb11fdb139e3304c
Status:
ERROR
Block height:
41210479
Block id:
a7f3e0a353388f8645439d10e91fa76e54b251ea89d383315b35114209a71cbc
Timestamp:
Saturday 19 November 2022 at 21:27:23 UTC
()
Proposer:
Authorizers:
Gas used:
23