diff --git a/features/storage/kvstore/conf/kv_config.cpp b/features/storage/kvstore/conf/kv_config.cpp
index 4f68173a753..88ee611a85a 100644
--- a/features/storage/kvstore/conf/kv_config.cpp
+++ b/features/storage/kvstore/conf/kv_config.cpp
@@ -51,7 +51,7 @@
 #include "components/storage/blockdevice/COMPONENT_SD/SDBlockDevice.h"
 
 #if (STATIC_PINMAP_READY)
-constexpr spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
+const spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
 #endif
 #endif
 
diff --git a/features/storage/system_storage/SystemStorage.cpp b/features/storage/system_storage/SystemStorage.cpp
index 49adaf3a256..4499f8e2648 100644
--- a/features/storage/system_storage/SystemStorage.cpp
+++ b/features/storage/system_storage/SystemStorage.cpp
@@ -41,7 +41,7 @@
 #include "components/storage/blockdevice/COMPONENT_SD/SDBlockDevice.h"
 
 #if (STATIC_PINMAP_READY)
-constexpr spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
+const spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
 #endif
 #endif
 
diff --git a/tools/toolchains/mbed_toolchain.py b/tools/toolchains/mbed_toolchain.py
index bf2718428fe..2c8f216ed43 100755
--- a/tools/toolchains/mbed_toolchain.py
+++ b/tools/toolchains/mbed_toolchain.py
@@ -899,51 +899,63 @@ def add_regions(self):
             return
 
         if self.config.has_regions:
-            regions = list(self.config.regions)
-            regions.sort(key=lambda x: x.start)
-            self.notify.info("Using ROM region%s %s in this build." % (
-                "s" if len(regions) > 1 else "",
-                ", ".join(r.name for r in regions)
-            ))
-            self._add_all_regions(regions, "MBED_APP")
+            try:
+                regions = list(self.config.regions)
+                regions.sort(key=lambda x: x.start)
+                self.notify.info("Using ROM region%s %s in this build." % (
+                    "s" if len(regions) > 1 else "",
+                    ", ".join(r.name for r in regions)
+                ))
+                self._add_all_regions(regions, "MBED_APP")
+            except ConfigException as error:
+                self.notify.info("Configuration error: %s" % str(error))
 
         if self.config.has_ram_regions:
-            regions = list(self.config.ram_regions)
-            self.notify.info("Using RAM region%s %s in this build." % (
-                "s" if len(regions) > 1 else "",
-                ", ".join(r.name for r in regions)
-            ))
-            self._add_all_regions(regions, None)
+            try:
+                regions = list(self.config.ram_regions)
+                self.notify.info("Using RAM region%s %s in this build." % (
+                    "s" if len(regions) > 1 else "",
+                    ", ".join(r.name for r in regions)
+                ))
+                self._add_all_regions(regions, None)
+            except ConfigException as error:
+                self.notify.info("Configuration error: %s" % str(error))
 
         Region = namedtuple("Region", "name start size")
 
-
-        # Add all available ROM regions to build profile
         if not getattr(self.target, "static_memory_defines", False):
-            raise ConfigException()
-        rom_available_regions = self.config.get_all_active_memories(
-            ROM_ALL_MEMORIES
-        )
-        for key, value in rom_available_regions.items():
-            rom_start, rom_size = value
-            self._add_defines_from_region(
-                Region("MBED_" + key, rom_start, rom_size),
-                True,
-                suffixes=["_START", "_SIZE"]
+            self.notify.info("Configuration error: 'static_memory_defines' is not defined.")
+            return
+
+        try:
+            # Add all available ROM regions to build profile
+            rom_available_regions = self.config.get_all_active_memories(
+                ROM_ALL_MEMORIES
             )
-        # Add all available RAM regions to build profile
-        if not getattr(self.target, "static_memory_defines", False):
-            raise ConfigException()
-        ram_available_regions = self.config.get_all_active_memories(
-            RAM_ALL_MEMORIES
-        )
-        for key, value in ram_available_regions.items():
-            ram_start, ram_size = value
-            self._add_defines_from_region(
-                Region("MBED_" + key, ram_start, ram_size),
-                True,
-                suffixes=["_START", "_SIZE"]
+            for key, value in rom_available_regions.items():
+                rom_start, rom_size = value
+                self._add_defines_from_region(
+                    Region("MBED_" + key, rom_start, rom_size),
+                    True,
+                    suffixes=["_START", "_SIZE"]
+                )
+        except ConfigException as error:
+            self.notify.info("Configuration error: %s" % str(error))
+
+        try:
+            # Add all available RAM regions to build profile
+            ram_available_regions = self.config.get_all_active_memories(
+                RAM_ALL_MEMORIES
             )
+            for key, value in ram_available_regions.items():
+                ram_start, ram_size = value
+                self._add_defines_from_region(
+                    Region("MBED_" + key, ram_start, ram_size),
+                    True,
+                    suffixes=["_START", "_SIZE"]
+                )
+        except ConfigException as error:
+            self.notify.info("Configuration error: %s" % str(error))
 
     STACK_PARAM = "target.boot-stack-size"
     TFM_LVL_PARAM = "tfm.level"