Possible Clues:

• They're wrong to have a rodent in time
• Listed errors
• Proofer's bane
• In time the rodent does not make them right
• Mistakes of sailor taken back in time
• In time a little beast will make mistakes
• Mistakes (Latin)
• They're all wrong to get the pest in time
• Literal errors
• In time one gnawed, mistakenly, in time (6)