How can I correct information entered in error?
If you have not netfiled you can change any values.
Without know which specifics about your working abroad I am unable to direct you how to enter or remove items.
If you have netfilled here are the steps to reFile and make corrections:
https://turbotax.intuit.ca/tips/change-filed-tax-return-703
Also as an FYI here is an article with some foreign income tax tips.
https://turbotax.intuit.ca/tips/tax-credits-for-canadians-working-abroad-5493
