Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: unexpectedly found nil while forcing an Optional value
  --> 6bfcc93dad54910846fef4ab19daba106a231d33b3970a58d3d6828731406ea5:38:157
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38 |       let receiverRef = recipient.getCapability(/public/ChainmonstersRewardCollection)!.borrow<&{ChainmonstersRewards.ChainmonstersRewardCollectionPublic}>()!
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