Flow price: --
89ecd48c8e6bdf757c31bae7b485a3a3cbe1ededb46155e8d0f859e53c1f608b

Transaction

Hash: 89ecd48c8e6bdf757c31bae7b485a3a3cbe1ededb46155e8d0f859e53c1f608b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 89ecd48c8e6bdf757c31bae7b485a3a3cbe1ededb46155e8d0f859e53c1f608b: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:
89ecd48c8e6bdf757c31bae7b485a3a3cbe1ededb46155e8d0f859e53c1f608b
Status:
ERROR
Block height:
40115681
Block id:
90c87cfd020f98463e7ff21b23ec8f125e7276c57bb3c146970ea66b44c0a230
Timestamp:
Tuesday 1 November 2022 at 16:15:57 UTC
()
Proposer:
Authorizers:
Gas used:
70