Flow price: --
647143fcf372e3a9fd5fa010aea124e7e57398969fe5b1395d1e7e4b4cb445f2

Transaction

Hash: 647143fcf372e3a9fd5fa010aea124e7e57398969fe5b1395d1e7e4b4cb445f2
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:
  --> 647143fcf372e3a9fd5fa010aea124e7e57398969fe5b1395d1e7e4b4cb445f2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
647143fcf372e3a9fd5fa010aea124e7e57398969fe5b1395d1e7e4b4cb445f2
Status:
ERROR
Block height:
41045024
Block id:
b40977f927adeb860b611d8ef486f2641ac758ab484107cacd3be8d887289e1a
Timestamp:
Thursday 17 November 2022 at 05:13:29 UTC
()
Proposer:
Authorizers:
Gas used:
26