Flow price: --
aa740eea93e0d9492990cae00a173ead333fccb51f97ff1805e78741d0cfdae7

Transaction

Hash: aa740eea93e0d9492990cae00a173ead333fccb51f97ff1805e78741d0cfdae7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> aa740eea93e0d9492990cae00a173ead333fccb51f97ff1805e78741d0cfdae7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
aa740eea93e0d9492990cae00a173ead333fccb51f97ff1805e78741d0cfdae7
Status:
ERROR
Block height:
40082316
Block id:
4a77ad060a0f8bd7932fb26322433ea150007d824d4f58206e19e78f8e5b5abe
Timestamp:
Tuesday 1 November 2022 at 02:44:10 UTC
()
Proposer:
Authorizers:
Gas used:
50