diff --git a/src/main/java/org/breedinginsight/brapps/importer/services/processors/SampleSubmissionProcessor.java b/src/main/java/org/breedinginsight/brapps/importer/services/processors/SampleSubmissionProcessor.java
index 396bf8658..8ded93d89 100644
--- a/src/main/java/org/breedinginsight/brapps/importer/services/processors/SampleSubmissionProcessor.java
+++ b/src/main/java/org/breedinginsight/brapps/importer/services/processors/SampleSubmissionProcessor.java
@@ -67,7 +67,7 @@ public class SampleSubmissionProcessor implements Processor {
     private static final String UNKNOWN_GID = "Unknown germplasm GID";
     private static final String INVALID_COLUMN = "Column must be a number between 1 and 12";
     private static final String INVALID_ROW = "Row must be a letter between A and H";
-    private static final String MULTIPLE_SAMPLES_SINGLE_WELL = "The sample in row %d is already in row: %s, column: %d";
+    private static final String MULTIPLE_SAMPLES_SINGLE_WELL = "Plate position not unique, duplicate in row %d";
     private final String referenceSource;
     private final BrAPIGermplasmDAO germplasmDAO;
     private final BrAPIObservationUnitDAO observationUnitDAO;
@@ -230,7 +230,7 @@ private boolean validRow(SampleSubmissionImport row, int rowNum, ValidationError
             if (plateLayout[plateRow][plateCol] > 0) {
                 validationErrors.addError(rowNum,
                                           new ValidationError(SampleSubmissionImport.Columns.ROW + "/" + SampleSubmissionImport.Columns.COLUMN,
-                                                              String.format(MULTIPLE_SAMPLES_SINGLE_WELL, plateLayout[plateRow][plateCol], Character.toString('A' + plateRow), plateCol),
+                                                              String.format(MULTIPLE_SAMPLES_SINGLE_WELL, plateLayout[plateRow][plateCol]),
                                                               HttpStatus.UNPROCESSABLE_ENTITY));
             } else {
                 plateLayout[plateRow][plateCol] = rowNum;