Flow price: --
28fc3d4657fe4cef71956c64ee2d82730d9b32a740a6b68e22431867b1247658

Transaction

Hash: 28fc3d4657fe4cef71956c64ee2d82730d9b32a740a6b68e22431867b1247658
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 28fc3d4657fe4cef71956c64ee2d82730d9b32a740a6b68e22431867b1247658:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
28fc3d4657fe4cef71956c64ee2d82730d9b32a740a6b68e22431867b1247658
Status:
ERROR
Block height:
40114505
Block id:
fa15edfcfbb2dd983c2eac0e231ea425472b49a4e7ac72ed7f84c7c9ef45152a
Timestamp:
Tuesday 1 November 2022 at 15:47:18 UTC
()
Proposer:
Authorizers:
Gas used:
47