Identify the error in the following sentence: Having accidentally misplaced the envelope, the manager blamed maintenance for its disappearance.

The sentence does not contain any grammatical or structural errors, so the correct choice is that there is no error. The use of the introductory clause "Having accidentally misplaced the envelope" is appropriate and effectively conveys that the manager's action led to the following consequence. The main clause "the manager blamed maintenance for its disappearance" is complete and logically follows from the introductory information. Each part of the sentence aligns properly, and there are no issues with spelling, subject-verb agreement, or sentence fragments. This indicates that the sentence is well-structured and clear, justifying the selection of "no error" as the right answer.