Exercise Entry in Diary

Rowing will come up by searching under Add Exercise > Cardiovascular, not Add Exercise > Strength Training.
You enter the number of minutes under Cardiovascular to get an estimated number of Calories burned.
You enter strength training exercises, such as bench press, curl, squat, under Strength Training to get a log of exercises by Set, Reps/Set, and Weight/set.

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You can log the amount of time for "strength training" under the Cardiovascular section to get an estimate for Calories burned. You can use the Strength Training section to log sets, reps, and weights, but that section does not account for the amount of time or Calories burned.

Add "Strength training (weight lifting, weight training)" to Cardiovascular to get estimated Calories Burned added to your Diary. Please note that the Calories burned for Cardiovascular exercises provided by MFP are based on published metabolic equivalent of tasks (METs), which are estimates for a general population and may differ for you as an individual. If desired, add individual strength training exercises, such as "Biceps Curl," to Strength Training to have a log of sets, reps, and weights as individual exercises.

Please see these articles in the list of articles on this topic in the MFP Help pages...
myfitnesspal.desk.com/customer/portal/articles/11170-why-don-t-you-calculate-calories-burned-for-strength-training-
myfitnesspal.desk.com/customer/portal/topics/455842-exercise-diary-and-exercise-database/articles

had same issue.

Thanks a million!!