---
title: F990 – PF Validation Error | 'RlnOfActyToAccomOfExmptPrpsGrp'
description: K1x Knowledge Base
---

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December 8, 2025

# F990 – PF Validation Error | 'RlnOfActyToAccomOfExmptPrpsGrp'

## Error Issue The '(a) Line No' column is required for all rows in the Part XV-B table.

### Error

### Issue

The '(a) Line No' column is required for all rows in the Part XV-B table.

![](https://support.k1x.io/hubfs/Knowledge%20Base%20Import/QegYopc0bYWcLb7S7ERDau3IP-2-1-1.png)

### Solution

1. Open 990-PF, Part XV-B.
2. Inspect for missing data in the '(a) Line No' column, or an empty row.
3. Fill any missing data for the 'Line No' column, or delete any empty rows.
4. Save your changes.

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