Flow price: --
c1709950ffb7cee4db895920caff9189a7e76bcce9c5123dc4b9c1a5cb63eef8

Transaction

Hash: c1709950ffb7cee4db895920caff9189a7e76bcce9c5123dc4b9c1a5cb63eef8
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:
  --> c1709950ffb7cee4db895920caff9189a7e76bcce9c5123dc4b9c1a5cb63eef8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
c1709950ffb7cee4db895920caff9189a7e76bcce9c5123dc4b9c1a5cb63eef8
Status:
ERROR
Block height:
40488845
Block id:
3f4070872fe9ed8835f345b970145f7b8f316368ffa3876f225a124a181a9be1
Timestamp:
Monday 7 November 2022 at 22:42:56 UTC
()
Proposer:
Authorizers:
Gas used:
25