diff --git a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H
index 2baf23cfc..ce9f9f6cf 100644
--- a/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H
+++ b/src/import/chips/ocmb/explorer/procedures/hwp/memory/lib/shared/exp_consts.H
@@ -121,7 +121,8 @@ enum sizes
     MAX_PORT_PER_OCMB = 1,
     MAX_DIMM_PER_PORT = 2,
     MAX_RANK_PER_DIMM = 4,
-    MAX_BITS_PER_PORT = 80,
+    MAX_DQ_BITS_PER_PORT = 80,
+    MAX_SYMBOLS_PER_PORT = 72,
     MAX_RANKS_DIMM1 = 2,
     MAX_MRANK_PER_PORT = MAX_DIMM_PER_PORT * MAX_RANK_PER_DIMM,
 };
diff --git a/src/import/generic/memory/lib/utils/shared/mss_generic_consts.H b/src/import/generic/memory/lib/utils/shared/mss_generic_consts.H
index 271de06c6..aeebe2178 100644
--- a/src/import/generic/memory/lib/utils/shared/mss_generic_consts.H
+++ b/src/import/generic/memory/lib/utils/shared/mss_generic_consts.H
@@ -229,6 +229,18 @@ enum generic_ffdc_codes
     POWER_LIMIT = 0x1072,
     SLOPE = 0x1073,
     INTERCEPT = 0x1074,
+
+    // Used in fw_mark_store.H for MSS_INVALID_RANK_PASSED
+    FWMS_READ = 30,
+    FWMS_WRITE = 31,
+
+    // Used in hw_mark_store.H for MSS_INVALID_RANK_PASSED
+    HWMS_READ = 40,
+    HWMS_WRITE = 41,
+
+    // MSS_INVALID_INDEX_PASSED
+    SYMBOL_COUNT_READ = 50,
+    SYMBOL_COUNT_WRITE = 51,
 };
 
 ///
diff --git a/src/import/generic/procedures/xml/error_info/generic_error.xml b/src/import/generic/procedures/xml/error_info/generic_error.xml
index 9b5a7a5d7..8224b1c58 100644
--- a/src/import/generic/procedures/xml/error_info/generic_error.xml
+++ b/src/import/generic/procedures/xml/error_info/generic_error.xml
@@ -1061,4 +1061,67 @@
     <ffdc>RANK</ffdc>
   </hwpError>
 
+  <hwpError>
+    <rc>RC_MSS_INVALID_GALOIS_TO_SYMBOL</rc>
+    <description> An invalid galois code was found</description>
+    <ffdc>GALOIS</ffdc>
+    <callout>
+        <procedure>CODE</procedure>
+        <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
+  <hwpError>
+    <rc>RC_MSS_INVALID_SYMBOL_FOR_GALOIS</rc>
+    <description> An invalid symbol was passed to symbol_to_galois</description>
+    <ffdc>SYMBOL</ffdc>
+    <callout>
+        <procedure>CODE</procedure>
+        <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
+  <hwpError>
+      <rc>RC_MSS_INVALID_DQ_TO_SYMBOL</rc>
+    <description> An invalid DQ bit index received to map to Galois symbol</description>
+    <ffdc>DQ</ffdc>
+    <callout>
+        <procedure>CODE</procedure>
+        <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
+  <hwpError>
+      <rc>RC_MSS_INVALID_SYMBOL_TO_DQ</rc>
+    <description> An invalid symbol received to map to DQ bit index</description>
+    <ffdc>SYMBOL</ffdc>
+    <callout>
+        <procedure>CODE</procedure>
+        <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
+  <hwpError>
+    <rc>RC_MSS_INVALID_RANK_PASSED</rc>
+    <description> An invalid rank was passed to ecc::read function</description>
+    <ffdc>RANK</ffdc>
+    <ffdc>FUNCTION</ffdc>
+    <ffdc>TARGET</ffdc>
+    <callout>
+        <procedure>CODE</procedure>
+        <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
+  <hwpError>
+    <rc>RC_MSS_INVALID_INDEX_PASSED</rc>
+    <description> An invalid index was passed to MODAL_SYMBOL_COUNT function</description>
+    <ffdc>INDEX</ffdc>
+    <ffdc>FUNCTION</ffdc>
+    <callout>
+        <procedure>CODE</procedure>
+        <priority>HIGH</priority>
+    </callout>
+  </hwpError>
+
 </hwpErrors>