Flow price: --
55c1ef8914e4f2d1fe320f8e44f43325e7294ce955f036b640d52300cab93af4

Transaction

Hash: 55c1ef8914e4f2d1fe320f8e44f43325e7294ce955f036b640d52300cab93af4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 55c1ef8914e4f2d1fe320f8e44f43325e7294ce955f036b640d52300cab93af4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
55c1ef8914e4f2d1fe320f8e44f43325e7294ce955f036b640d52300cab93af4
Status:
ERROR
Block height:
39817142
Block id:
6af3e32a2ed7984971dc930031e282901382f8139a1d788236da8e38504f80ff
Timestamp:
Thursday 27 October 2022 at 16:30:25 UTC
()
Proposer:
Authorizers:
Gas used:
49