Index: trunk/psModules/src/imcombine/pmSubtractionAnalysis.c
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionAnalysis.c	(revision 26893)
+++ trunk/psModules/src/imcombine/pmSubtractionAnalysis.c	(revision 27086)
@@ -74,5 +74,5 @@
                                                            false); // Image of the kernel
                 if (!kernel) {
-                    psError(PS_ERR_UNKNOWN, false, "Unable to generate kernel image.");
+                    psError(psErrorCodeLast(), false, "Unable to generate kernel image.");
                     psFree(convKernels);
                     return false;
@@ -81,5 +81,5 @@
                 if (psImageOverlaySection(convKernels, kernel, (i + KERNEL_MOSAIC) * fullSize,
                                           (j + KERNEL_MOSAIC) * fullSize, "=") == 0) {
-                    psError(PS_ERR_UNKNOWN, false, "Unable to overlay kernel image.");
+                    psError(psErrorCodeLast(), false, "Unable to overlay kernel image.");
                     psFree(kernel);
                     psFree(convKernels);
@@ -93,5 +93,5 @@
                                                       true); // Image of the kernel
                     if (!kernel) {
-                        psError(PS_ERR_UNKNOWN, false, "Unable to generate kernel image.");
+                        psError(psErrorCodeLast(), false, "Unable to generate kernel image.");
                         psFree(convKernels);
                         return false;
@@ -101,5 +101,5 @@
                                               (2 * KERNEL_MOSAIC + 1 + i + KERNEL_MOSAIC) * fullSize + 4,
                                               (j + KERNEL_MOSAIC) * fullSize, "=") == 0) {
-                        psError(PS_ERR_UNKNOWN, false, "Unable to overlay kernel image.");
+                        psError(psErrorCodeLast(), false, "Unable to overlay kernel image.");
                         psFree(kernel);
                         psFree(convKernels);
@@ -161,5 +161,5 @@
         psImage *image = pmSubtractionKernelImage(kernels, 0.5, 0.5, false); // Image of the kernel
         if (!image) {
-            psError(PS_ERR_UNKNOWN, false, "Unable to generate image of kernel.");
+            psError(psErrorCodeLast(), false, "Unable to generate image of kernel.");
             return false;
         }
@@ -216,5 +216,5 @@
         psImage *image = pmSubtractionKernelImage(kernels, 0.5, 0.5, false); // Image of the kernel
         if (!image) {
-            psError(PS_ERR_UNKNOWN, false, "Unable to generate image of kernel.");
+            psError(psErrorCodeLast(), false, "Unable to generate image of kernel.");
             return false;
         }