diff --git a/src/main/java/gov/nasa/pds/tools/validate/content/table/FieldValueValidator.java b/src/main/java/gov/nasa/pds/tools/validate/content/table/FieldValueValidator.java
index 04118d7d3..3ce2b0e2a 100644
--- a/src/main/java/gov/nasa/pds/tools/validate/content/table/FieldValueValidator.java
+++ b/src/main/java/gov/nasa/pds/tools/validate/content/table/FieldValueValidator.java
@@ -858,7 +858,7 @@ private void checkFormat(String value, String format, int fieldIndex, RecordLoca
             addTableProblem(asError ? ExceptionType.ERROR : ExceptionType.WARNING,
                 asError ? ProblemType.FIELD_VALID_FORMAT_PRECISION_MISMATCH : ProblemType.FIELD_VALUE_FORMAT_PRECISION_MISMATCH,
                 "The number of digits to the right of the decimal point " + "in the value '"
-                    + value.trim() + "' must be <= the precision set in the defined field format '"
+                    + value.trim() + "' should be <= the precision set in the defined field format '"
                     + format+ "' (Expected: <=" + precision + ", Actual: " + actual_precision + ").",
                     recordLocation, fieldIndex);
           }
diff --git a/src/test/resources/features/developer.feature b/src/test/resources/features/developer.feature
index d5c613744..7f421ade6 100644
--- a/src/test/resources/features/developer.feature
+++ b/src/test/resources/features/developer.feature
@@ -4,7 +4,7 @@ Scenario Outline: Execute validate command for tests below.
     Given a test <testName> at dir <testDir> at resource <resourceDir> sending report to <reportDir> with <commandArgs> as arguments
     When with test property count <messageCount> text <messageText> problem <problemEnum> reference <refOutputValue>
     When execute a validate command
-    Then produced output from validate command should be similiar to reference <refOutputValue> or no error reported.
+    Then produced output from validate command should be similar to reference <refOutputValue> or no error reported.
 
   Examples:
  | testName                                             | testDir     | messageCount | messageText         | problemEnum     | resourceDir          | reportDir     | commandArgs                                                                | refOutputValue | 
@@ -44,7 +44,10 @@ Scenario Outline: Execute validate command for tests below.
 
 # Validate#681
 |"NASA-PDS/validate#681 Success ASCII table with extra whitespace, valid precision" | "github681" | 0 | "0 errors expected" | "FIELD_VALUE_FORMAT_PRECISION_MISMATCH" | "src/test/resources" | "target/test" | "-r {reportDir}/report_github681_1.json -s json  -t {resourceDir}/github681/ff_char.xml {resourceDir}/github681/ff_del.xml" | "report_github681_1.json" |
-|"NASA-PDS/validate#681 Failure of ASCII table invalid precision" | "github681" | 2 | "2 errors expected" | "FIELD_VALUE_FORMAT_PRECISION_MISMATCH" | "src/test/resources" | "target/test" | "-r {reportDir}/report_github681_2.json -s json -t {resourceDir}/github681/ff_char_fail.xml {resourceDir}/github681/ff_del_fail.xml" | "report_github681_2.json" |
+|"NASA-PDS/validate#681 Failure of ASCII table invalid precision" | "github681" | 2 | "2 warnings expected" | "FIELD_VALUE_FORMAT_PRECISION_MISMATCH" | "src/test/resources" | "target/test" | "-r {reportDir}/report_github681_2.json -s json -t {resourceDir}/github681/ff_char_fail.xml {resourceDir}/github681/ff_del_fail.xml" | "report_github681_2.json" |
+
+# Validate#817
+|"NASA-PDS/validate#817 Failure of ASCII table invalid precision" | "github681" | 1 | "1 error expected" | "FIELD_VALID_FORMAT_PRECISION_MISMATCH" | "src/test/resources" | "target/test" | "-r {reportDir}/report_github817_1.json -s json -t {resourceDir}/github681/ff_char_fail.xml" | "report_github817_1.json" |
 
 # Validate#680
 |"NASA-PDS/validate#680 Success char table correct length" | "github680" | 0 | "0 errors expected" | "totalErrors" | "src/test/resources" | "target/test" | "-r {reportDir}/report_github680.1.json -s json --skip-context-validation  -t {resourceDir}/github680/ORB12_EUR_EPHIO_reclen96.xml" | "report_github680.1.json" |
diff --git a/src/test/resources/github681/ff_char_fail.xml b/src/test/resources/github681/ff_char_fail.xml
index 3854b0bfd..e021f1490 100644
--- a/src/test/resources/github681/ff_char_fail.xml
+++ b/src/test/resources/github681/ff_char_fail.xml
@@ -59,6 +59,7 @@
           <data_type>ASCII_Real</data_type>
           <field_length unit="byte">4</field_length>
           <field_format>%4.2f</field_format>
+          <validation_format>%4.2f</validation_format>
         </Field_Character>
         <Field_Character>
           <name>field 3</name>
diff --git a/src/test/resources/github681/ff_char_warn.xml b/src/test/resources/github681/ff_char_warn.xml
new file mode 100644
index 000000000..3854b0bfd
--- /dev/null
+++ b/src/test/resources/github681/ff_char_warn.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1K00.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
+<Product_Observational xmlns="http://pds.nasa.gov/pds4/pds/v1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1K00.xsd">
+  <Identification_Area>
+    <logical_identifier>urn:nasa:pds:bundle:collection:ff_char_test</logical_identifier>
+    <version_id>1.0</version_id>
+    <title>Field Format Character Test</title>
+    <information_model_version>1.20.0.0</information_model_version>
+    <product_class>Product_Observational</product_class>
+  </Identification_Area>
+  <Observation_Area>
+    <Time_Coordinates>
+      <start_date_time>2023Z</start_date_time>
+      <stop_date_time>2023Z</stop_date_time>
+    </Time_Coordinates>
+    <Investigation_Area>
+      <name>None</name>
+      <type>Other Investigation</type>
+      <Internal_Reference>
+        <lid_reference>urn:nasa:pds:context:investigation:individual.none</lid_reference>
+        <reference_type>data_to_investigation</reference_type>
+      </Internal_Reference>
+    </Investigation_Area>
+    <Observing_System>
+      <Observing_System_Component>
+        <name>telescope</name>
+        <type>Instrument</type>
+      </Observing_System_Component>
+    </Observing_System>
+    <Target_Identification>
+      <name>target</name>
+      <type>Comet</type>
+    </Target_Identification>
+  </Observation_Area>
+  <File_Area_Observational>
+    <File>
+      <file_name>ff_test_fail.csv</file_name>
+    </File>
+    <Table_Character>
+      <offset unit="byte">0</offset>
+      <records>3</records>
+      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
+      <Record_Character>
+        <fields>3</fields>
+        <groups>0</groups>
+        <record_length unit="byte">22</record_length>
+        <Field_Character>
+          <name>field 1</name>
+          <field_number>1</field_number>
+          <field_location unit="byte">1</field_location>
+          <data_type>ASCII_Real</data_type>
+          <field_length unit="byte">6</field_length>
+          <field_format>%6.2f</field_format>
+        </Field_Character>
+        <Field_Character>
+          <name>field 2</name>
+          <field_number>2</field_number>
+          <field_location unit="byte">8</field_location>
+          <data_type>ASCII_Real</data_type>
+          <field_length unit="byte">4</field_length>
+          <field_format>%4.2f</field_format>
+        </Field_Character>
+        <Field_Character>
+          <name>field 3</name>
+          <field_number>3</field_number>
+          <field_location unit="byte">13</field_location>
+          <data_type>ASCII_Real</data_type>
+          <field_length unit="byte">8</field_length>
+          <field_format>%8.3e</field_format>
+        </Field_Character>
+      </Record_Character>
+    </Table_Character>
+  </File_Area_Observational>
+</Product_Observational>
diff --git a/src/test/resources/github681/ff_del_fail.xml b/src/test/resources/github681/ff_del_warn.xml
similarity index 100%
rename from src/test/resources/github681/ff_del_fail.xml
rename to src/test/resources/github681/ff_del_warn.xml