Flow price: --
585189c625fd69b0aa90b08eadbd63c28453e3cbcae57e0d3486b897109b8822

Transaction

Hash: 585189c625fd69b0aa90b08eadbd63c28453e3cbcae57e0d3486b897109b8822
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 585189c625fd69b0aa90b08eadbd63c28453e3cbcae57e0d3486b897109b8822:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
585189c625fd69b0aa90b08eadbd63c28453e3cbcae57e0d3486b897109b8822
Status:
ERROR
Block height:
40103453
Block id:
6a6fb6a283fca280634ad2811d79f6a45033865e487e4290144744b861ddbeb8
Timestamp:
Tuesday 1 November 2022 at 11:19:10 UTC
()
Proposer:
Authorizers:
Gas used:
50