A
100
Easy Fix
ADP · Payroll & HR Platform
ADP generic transaction processing failure.
Quick Answer
Error code 100 on your ADP Payroll & HR Platform means: ADP generic transaction processing failure.. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
ADP-APIADP-MOBILEADP-ADMINADP-EMP
Likely Causes
  1. Session mismatch
  2. Form state conflict
  3. Temporary system delay
  4. Integration mapping error
How to Fix It
1
Refresh transaction page/session.
2
Re-enter transaction once.
3
Check integration field mappings.
4
Retry with smaller batch if bulk operation.
5
Escalate with timestamp and transaction ID if recurring.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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