Common Problems

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Common Problems

Quick Solutions To The Most Frequent Questions And Operational Issues

Even well-designed systems occasionally experience:

User mistakes

Configuration concerns

Workflow confusion

Hardware problems

Network interruptions

Most issues can be resolved quickly once the cause is understood.

This section provides fast answers to the most common operational problems encountered in MLS 2026.


Workorders

Problem: My labor or parts disappeared from the workorder

Possible Causes

The entry was never saved

The Add button was not pressed first

The operator exited without selecting OK/Save

The item remains in Estimate status

Solution

Re-enter the item

Always press Add before entering information

Always press OK/Save after editing

Verify whether the item is still flagged as Estimate (E)


Problem: The totals are incorrect

Possible Causes

Totals were not recalculated

Tax rates changed

Discounts altered totals

Manual overrides were entered

Solution

Open the Totals tab

Press Re-Sum

Verify tax settings

Review discount adjustments


Problem: Parts were not removed from inventory

Possible Causes

The workorder was never converted from Estimate to Invoice

Parts remain flagged as Estimate items

Solution

Use the Convert utility properly

Do NOT simply change the Type radio button

Verify parts show Invoice status (I)


Problem: The workorder will not close

Possible Causes

Payment information incomplete

Workorder not marked completed

Required data missing

Network/file locking issue

Solution

Verify payment posting

Verify Close Today is checked if appropriate

Exit all other copies of the workorder

Re-Sum totals

Try again


Problem: I accidentally created a workorder

Solution

Do NOT delete it.

Instead:

Reassign it to the correct client or vehicle

or

Mark it Declined if unused

Deleting workorders breaks numbering continuity and creates audit concerns.


Problem: A customer declined the work

Solution

Print the estimate

Write “Declined”

Obtain the client signature

Retain the estimate for records


Printing

Problem: The invoice will not print

Possible Causes

Printer offline

Windows printer issue

Wrong printer selected

Network printer disconnected

Solution

Verify printer power

Verify Online status

Check Windows printer settings

Try View mode first


Problem: The printout formatting looks wrong

Possible Causes

Incorrect printer driver

Wrong paper size

Margins changed

Duplex/printer settings altered

Solution

Verify printer driver

Check printer properties

Confirm correct form selection


Problem: Emailing invoices does not work

Possible Causes

Email system not configured

Internet unavailable

Security software blocking transmission

Solution

Verify email setup

Check internet connection

Review antivirus/firewall settings


Inventory

Problem: Inventory quantities are incorrect

Possible Causes

Items never billed

Manual quantity adjustments

Duplicate entries

Incorrect conversions

Solution

Review inventory history

Verify workorder billing

Run inventory reports

Audit adjustments


Problem: Parts cannot be found in stock

Possible Causes

Incorrect location codes

Inventory not updated

Parts misplaced physically

Solution

Review location codes

Reorganize inventory

Perform physical inventory checks


Problem: Special order items keep appearing repeatedly

Solution

Review the Parts Sales report.

Frequently ordered non-stock items may justify:

Regular stocking


Accounts Receivable

Problem: A balance did not post to A/R

Possible Causes

Client has no A/R account

Posting incomplete

Account not authorized

Solution

Create the client A/R account

Repost the payment

Review Receivables Transaction File


Problem: Statements look incorrect

Possible Causes

Billing cycle issue

Transactions not closed

Old dates entered incorrectly

Solution

Verify billing cycle assignments

Run Period Close

Review transaction dates


Problem: A/R does not balance

Possible Causes

Incorrect posting dates

Missing closing routines

Unposted transactions

Solution

Review transaction reports

Verify closing procedures

Run reconciliation reports


Accounts Payable

Problem: Vendor balances are wrong

Possible Causes

Duplicate invoice entry

Payment not posted

Incorrect vendor selected

Solution

Review vendor transaction history

Verify invoice numbers

Reconcile statements carefully


Problem: Open items remain after payment

Possible Causes

Payment not applied correctly

Incorrect invoice selected

Solution

Review payment application

Verify vendor ledger detail


General Ledger

Problem: Financial reports do not balance

Possible Causes

Incorrect account assignment

Missing posting

Manual adjustment error

Solution

Review journal postings

Verify account mappings

Audit recent entries


Problem: Reports show unexpected totals

Possible Causes

Incorrect date ranges

Posting date confusion

Duplicate transactions

Solution

Verify report date ranges

Review payment dates carefully

Audit transaction entries


Payroll

Problem: Technician totals appear incorrect

Possible Causes

Labor entries missing technician names

Incorrect Actual Time

Units entered incorrectly

Solution

Verify technician assignment

Review labor audit

Check labor units carefully


Problem: Productivity reports seem inaccurate

Possible Causes

Actual Time not tracked

Downtime missing

Labor units inconsistent

Solution

Use Actual Time tracking consistently

Review timeclock usage

Verify labor entries


Networking

Problem: MLS runs slowly

Possible Causes

Weak network

Wi-Fi usage

Failing hardware

Low RAM

Antivirus interference

Solution

Use hardwired Ethernet

Upgrade hardware if necessary

Check network cables

Review antivirus settings


Problem: Workstations freeze randomly

Possible Causes

Network interruptions

Bad switch/router

Weak Wi-Fi

Faulty network card

Solution

Run network diagnostics

Replace questionable hardware

Avoid Wi-Fi on servers


Problem: Records appear locked

Possible Causes

Another user still has the workorder open

Workstation crashed while editing

Solution

Exit MLS on all workstations

Reopen the program

Rebuild indexes if necessary


Updates

Problem: Updates are not downloading

Possible Causes

Internet unavailable

Support authorization expired

Firewall blocking access

Solution

Verify internet access

Confirm support/update status

Check firewall/security settings


Problem: Workstations show different versions

Possible Causes

Failed workstation update

Network interruption

Solution

Restart MLS

Verify server updated correctly

Confirm workstation connectivity


Error Messages

Problem: An error dialog appeared

Solution

Immediately:

Use the Email Support button

Describe exactly what occurred

Include steps leading to the error


Problem: MLS suddenly closes

Possible Causes

Windows issue

Network interruption

Corrupted workstation session

Hardware instability

Solution

Restart MLS

Check networking

Review error logs

Report the issue immediately


Performance

Problem: Reports take too long to run

Possible Causes

Large databases

Weak hardware

Multiple users active

Network congestion

Solution

Run reports individually

Upgrade hardware if necessary

Perform maintenance regularly


Problem: The system feels unstable

Possible Causes

Weak networking

Old hardware

Lack of maintenance

Poor operational procedures

Solution

Review networking carefully

Rebuild indexes regularly

Maintain backups

Follow proper workflow procedures


Backup And Recovery

Problem: Backup restoration fails

Possible Causes

Corrupted backup

Incomplete copy

Hardware failure

Solution

Test backups regularly

Maintain multiple backup generations

Store backups separately


Problem: Data appears missing

Possible Causes

Wrong date range

Incorrect search criteria

Failed update/posting

File corruption

Solution

Search carefully

Review reports

Restore backup if necessary

Contact support immediately


User Mistakes

Problem: Information was entered incorrectly

Solution

Correct the entry immediately whenever possible.

If accounting or closing already occurred:

Enter correcting transactions

Rather than:

Deleting history


Problem: Employees are confused by procedures

Solution

Use:

Quick Answers

Checklists

Embedded tutorials

Workflow documentation

Consistent training improves:

Accuracy

Productivity

Confidence


Most Important Rule

What is the single most important troubleshooting principle?

When problems occur:

DO NOT IGNORE THEM.

Small issues often become:

Serious corruption

Lost data

Major downtime

Prompt reporting and careful investigation prevent most major problems.