In report 72, what is the best reading of «tear up my letter»?

Narrator Criticism: Teacher Verification, Conflicting Ascriptions and Claims of Hearing

• A general command to erase every preserved report of Abū Shaybah
• An instruction to prevent circulation of Shuʿbah’s own critical letter
• An instruction to write the chain but omit the text
• An administrative order to remove the judge of Wāsiṭ