Flow price: --
c7b294e66b74e60d3ed1bbd08476ba3682e5acd7d39db5f443cbcdb692a7dcf8

Transaction

Hash: c7b294e66b74e60d3ed1bbd08476ba3682e5acd7d39db5f443cbcdb692a7dcf8
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:
  --> c7b294e66b74e60d3ed1bbd08476ba3682e5acd7d39db5f443cbcdb692a7dcf8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
c7b294e66b74e60d3ed1bbd08476ba3682e5acd7d39db5f443cbcdb692a7dcf8
Status:
ERROR
Block height:
40859039
Block id:
122034d1897eef1309011f6953afd27e1439a8a2709c6b81d51e1b365b754d78
Timestamp:
Monday 14 November 2022 at 03:49:44 UTC
()
Proposer:
Authorizers:
Gas used:
23