Flow price: --
81478f1746c77ab538a901b36f7d5f4d4b988a7f38714030a8feda7054e5a6b1

Transaction

Hash: 81478f1746c77ab538a901b36f7d5f4d4b988a7f38714030a8feda7054e5a6b1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81478f1746c77ab538a901b36f7d5f4d4b988a7f38714030a8feda7054e5a6b1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
81478f1746c77ab538a901b36f7d5f4d4b988a7f38714030a8feda7054e5a6b1
Status:
ERROR
Block height:
39844271
Block id:
1caf274c8b6aeb405bfb3867b18c72b610d4e85030fb2d4521f84d852ce201d4
Timestamp:
Friday 28 October 2022 at 03:27:06 UTC
()
Proposer:
Authorizers:
Gas used:
48