Topic

Sage 50

Sage 50 (US Peachtree and Canadian Simply Accounting) conversions, editions, and downgrades. 36 guides and 425 answers on this topic.

AnswerSage 50

Cannot void this transaction" with serialized items in Sage 50

Sage 50 blocks the void because the items were not serialized when the transaction was posted, so the history no longer matches.

Updated August 24, 2026

AnswerSage 50

Contains serialized items that were not serialized when the transaction was entered

Sage 50 is blocking an adjustment because serial tracking was turned on after the transaction was recorded, not because of a data error.

Updated August 24, 2026

AnswerSage 50

Debit card transactions cannot be refunded in multi-user mode" in Sage 50

The message means Sage 50 is blocking a debit card refund while other users have the company file open, not that the refund is impossible.

Updated August 24, 2026

AnswerConversion

How many years of history should I convert from Sage 50 to QuickBooks?

Most businesses convert two full years plus the current year; full history is possible but usually costs you speed for little gain.

Updated August 24, 2026

AnswerSage 50

Maximum number of connections has already been reached" in Sage 50

Sage 50 cannot open your company file because too many users or sessions already hold connections to the database engine.

Updated August 24, 2026

AnswerSage 50

Obsolete version of Sage 50" file cannot be opened

Your Sage 50 company file was written by an older release than the one installed, and the software refuses to open it.

Updated August 24, 2026

AnswerSage 50

One or more of the serialized units are no longer in inventory" (Sage 50)

Sage 50 cannot complete a serialized-inventory transaction because the serial numbers it expects are missing from stock.

Updated August 24, 2026

AnswerSage 50

Other users currently have this company open in multi-user mode" explained

Sage 50 is telling you someone else has the company open, so it will not let you switch to single-user mode.

Updated August 24, 2026

AnswerSage 50

Pending or failed transactions" blocks starting a new year in Sage 50

The message means Sage 50 will not roll the year forward until unfinished or rejected transactions are cleared from the data.

Updated August 24, 2026

AnswerSage 50

Reached the maximum number of locks" Sage 50 error explained

Sage 50 is telling you it has run out of internal locks on the database, usually because the company file is too large or busy.

Updated August 24, 2026

AnswerSage 50

Sage 50 "company database could not be found, or the database engine is not running

Sage 50 cannot reach the database behind your company file, so the transaction is refused until the connection is restored.

Updated August 24, 2026

AnswerSage 50

Sage 50 "serialized items that were not serialized when the transaction was entered

Sage 50 blocks the reversal because the items gained serial tracking after the sale, so the original entry has no serial data.

Updated August 24, 2026