Flow price: --
2218c7a1b8acde05ecf2268851d4ab99106a77147cedb607cb8e3528878d4560

Transaction

Hash: 2218c7a1b8acde05ecf2268851d4ab99106a77147cedb607cb8e3528878d4560
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2218c7a1b8acde05ecf2268851d4ab99106a77147cedb607cb8e3528878d4560:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2218c7a1b8acde05ecf2268851d4ab99106a77147cedb607cb8e3528878d4560
Status:
ERROR
Block height:
40146936
Block id:
2691b1242d4afdddd7a19f70056ce572680686f5340f8d4955c2f9203e2b620d
Timestamp:
Wednesday 2 November 2022 at 04:59:30 UTC
()
Proposer:
Authorizers:
Gas used:
50