When a criminal defendant misunderstands a key element of a plea bargain, is his guilty plea void?

QUESTIONS PRESENTED L. When the record reveals that a criminal defendant misunderstands a key element of a plea bargain is his guilty plea void? I. When defense counsel tells his confused client that his misunderstanding of a term of the plea bargain is correct, and the defendant then enters the plea, has the defendant been denied his right to the effective assistance of counsel? ii