diff --git a/opm/common/utility/OpmInputError.hpp b/opm/common/utility/OpmInputError.hpp
index 760437e82..0e41d900b 100644
--- a/opm/common/utility/OpmInputError.hpp
+++ b/opm/common/utility/OpmInputError.hpp
@@ -19,9 +19,9 @@
 #ifndef OPM_ERROR_HPP
 #define OPM_ERROR_HPP
 
-#include <optional>
 #include <stdexcept>
 #include <string>
+#include <vector>
 
 #include <opm/common/OpmLog/KeywordLocation.hpp>
 
@@ -67,8 +67,8 @@ public:
     */
 
     OpmInputError(const std::string& msg_fmt, const KeywordLocation& loc) :
-        m_what   { OpmInputError::format(msg_fmt, loc) },
-        location { loc }
+        m_what    { OpmInputError::format(msg_fmt, loc) },
+        locations { loc }
     {}
 
     /*
@@ -87,12 +87,13 @@ public:
       }
     */
     OpmInputError(const KeywordLocation& loc, const std::exception& e) :
-        m_what   { OpmInputError::formatException(loc, e) },
-        location { loc }
+        m_what    { OpmInputError::formatException(loc, e) },
+        locations { loc }
     {}
 
-    OpmInputError(const std::string& msg) :
-        m_what(msg)
+    OpmInputError(const std::vector<KeywordLocation>& locations, const std::string& reason)
+        : m_what    { OpmInputError::formatMultiple(reason, locations) }
+        , locations { locations }
     {}
 
     const char * what() const throw()
@@ -103,6 +104,7 @@ public:
 
     static std::string format(const std::string& msg_format, const KeywordLocation& loc);
     static std::string formatException(const KeywordLocation& loc, const std::exception& e);
+    static std::string formatMultiple(const std::string& reason, const std::vector<KeywordLocation>&);
 
 private:
     std::string m_what;
@@ -110,7 +112,7 @@ private:
     // The location member is here for debugging; depending on the msg_fmt
     // passed in the constructor we might not have captured all the information
     // in the location argument passed to the constructor.
-    std::optional<KeywordLocation> location;
+    std::vector<KeywordLocation> locations;
 };
 
 }
diff --git a/src/opm/common/utility/OpmInputError.cpp b/src/opm/common/utility/OpmInputError.cpp
index dd2340c24..8c6182330 100644
--- a/src/opm/common/utility/OpmInputError.cpp
+++ b/src/opm/common/utility/OpmInputError.cpp
@@ -16,6 +16,9 @@
   You should have received a copy of the GNU General Public License
   along with OPM.  If not, see <http://www.gnu.org/licenses/>.
 */
+
+#include <algorithm>
+#include <numeric>
 #include <utility>
 
 #include <fmt/format.h>
@@ -46,4 +49,20 @@ std::string OpmInputError::format(const std::string& msg_format, const KeywordLo
                        );
 }
 
+namespace {
+
+    std::string formatSingle(const KeywordLocation& loc) {
+        return OpmInputError::format("\n  {keyword} in {file}, line {line}", loc);
+    }
+}
+
+std::string OpmInputError::formatMultiple(const std::string& reason, const std::vector<KeywordLocation>& locations) {
+    std::vector<std::string> locationStrings;
+    std::transform(locations.begin(), locations.end(), std::back_inserter(locationStrings), &formatSingle);
+    const std::string messages { std::accumulate(locationStrings.begin(), locationStrings.end(), std::string {}) } ;
+
+    return fmt::format(R"(Problem parsing keywords {}
+Parse error: {})", messages, reason);
+}
+
 }
diff --git a/src/opm/parser/eclipse/EclipseState/Tables/TableManager.cpp b/src/opm/parser/eclipse/EclipseState/Tables/TableManager.cpp
index 0a5d1df8e..07631f08d 100644
--- a/src/opm/parser/eclipse/EclipseState/Tables/TableManager.cpp
+++ b/src/opm/parser/eclipse/EclipseState/Tables/TableManager.cpp
@@ -39,6 +39,7 @@
 #include <opm/parser/eclipse/Parser/ParserKeywords/M.hpp>
 #include <opm/parser/eclipse/Parser/ParserKeywords/O.hpp>
 #include <opm/parser/eclipse/Parser/ParserKeywords/P.hpp>
+#include <opm/parser/eclipse/Parser/ParserKeywords/R.hpp>
 #include <opm/parser/eclipse/Parser/ParserKeywords/S.hpp>
 #include <opm/parser/eclipse/Parser/ParserKeywords/T.hpp>
 #include <opm/parser/eclipse/Parser/ParserKeywords/V.hpp>
@@ -571,12 +572,20 @@ namespace Opm {
         // the TEMPVD (E300) and RTEMPVD (E300 + E100) keywords are
         // synonymous, but we want to provide only a single cannonical
         // API here, so we jump through some small hoops...
-        if (deck.hasKeyword("TEMPVD") && deck.hasKeyword("RTEMPVD"))
-            throw std::invalid_argument("The TEMPVD and RTEMPVD tables are mutually exclusive!");
-        else if (deck.hasKeyword("TEMPVD"))
-            initSimpleTableContainer<RtempvdTable>(deck, "TEMPVD", "RTEMPVD", m_eqldims.getNumEquilRegions());
-        else if (deck.hasKeyword("RTEMPVD"))
-            initSimpleTableContainer<RtempvdTable>(deck, "RTEMPVD", "RTEMPVD" , m_eqldims.getNumEquilRegions());
+        const bool
+            hasTEMPVD  { deck.hasKeyword<ParserKeywords::TEMPVD>()  } ,
+            hasRTEMPVD { deck.hasKeyword<ParserKeywords::RTEMPVD>() } ;
+
+        if (hasTEMPVD && hasRTEMPVD) {
+            throw OpmInputError({
+                    deck.getKeyword<ParserKeywords::TEMPVD>().location(),
+                    deck.getKeyword<ParserKeywords::RTEMPVD>().location(),
+                }, "The TEMPVD and RTEMPVD tables are mutually exclusive.");
+        } else if (hasTEMPVD) {
+            initSimpleTableContainer<RtempvdTable>(deck,  "TEMPVD", "RTEMPVD", m_eqldims.getNumEquilRegions());
+        } else if (hasRTEMPVD) {
+            initSimpleTableContainer<RtempvdTable>(deck, "RTEMPVD", "RTEMPVD", m_eqldims.getNumEquilRegions());
+        }
     }