Flow price: --
c6bdd3974da0bb340f0b0fed0b6be16bdcfbc8a99503a2cc9b91e7978b9a5391

Transaction

Hash: c6bdd3974da0bb340f0b0fed0b6be16bdcfbc8a99503a2cc9b91e7978b9a5391
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c6bdd3974da0bb340f0b0fed0b6be16bdcfbc8a99503a2cc9b91e7978b9a5391:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c6bdd3974da0bb340f0b0fed0b6be16bdcfbc8a99503a2cc9b91e7978b9a5391
Status:
ERROR
Block height:
40115175
Block id:
fa22bb9e8f8ea36b1a8160712ad6fec1d6d2bcf66d25610b31ca46dc56a31318
Timestamp:
Tuesday 1 November 2022 at 16:03:40 UTC
()
Proposer:
Authorizers:
Gas used:
48