diff --git a/lib/include/irritator/container.hpp b/lib/include/irritator/container.hpp
index a57e3d2e..e9e9811a 100644
--- a/lib/include/irritator/container.hpp
+++ b/lib/include/irritator/container.hpp
@@ -3088,7 +3088,7 @@ ring_buffer<T, A>::iterator_base<is_const>::iterator_base(
 
 template<class T, typename A>
 template<bool is_const>
-ring_buffer<T, A>::template iterator_base<is_const>&
+typename ring_buffer<T, A>::template iterator_base<is_const>&
 ring_buffer<T, A>::iterator_base<is_const>::operator=(
   const iterator_base& other) noexcept
 {
@@ -3118,7 +3118,7 @@ ring_buffer<T, A>::iterator_base<is_const>::operator->() const noexcept
 
 template<class T, typename A>
 template<bool is_const>
-ring_buffer<T, A>::template iterator_base<is_const>&
+typename ring_buffer<T, A>::template iterator_base<is_const>&
 ring_buffer<T, A>::iterator_base<is_const>::operator++() noexcept
 {
     if (ring) {
@@ -3133,7 +3133,7 @@ ring_buffer<T, A>::iterator_base<is_const>::operator++() noexcept
 
 template<class T, typename A>
 template<bool is_const>
-ring_buffer<T, A>::template iterator_base<is_const>
+typename ring_buffer<T, A>::template iterator_base<is_const>
 ring_buffer<T, A>::iterator_base<is_const>::operator++(int) noexcept
 {
     iterator_base orig(*this);
@@ -3144,7 +3144,7 @@ ring_buffer<T, A>::iterator_base<is_const>::operator++(int) noexcept
 
 template<class T, typename A>
 template<bool is_const>
-ring_buffer<T, A>::template iterator_base<is_const>&
+typename ring_buffer<T, A>::template iterator_base<is_const>&
 ring_buffer<T, A>::iterator_base<is_const>::operator--() noexcept
 {
     if (ring) {
@@ -3159,7 +3159,7 @@ ring_buffer<T, A>::iterator_base<is_const>::operator--() noexcept
 
 template<class T, typename A>
 template<bool is_const>
-ring_buffer<T, A>::template iterator_base<is_const>
+typename ring_buffer<T, A>::template iterator_base<is_const>
 ring_buffer<T, A>::iterator_base<is_const>::operator--(int) noexcept
 {
     iterator_base orig(*this);
@@ -4177,7 +4177,7 @@ small_ring_buffer<T, length>::iterator_base<is_const>::iterator_base(
 
 template<class T, int length>
 template<bool is_const>
-small_ring_buffer<T, length>::template iterator_base<is_const>&
+typename small_ring_buffer<T, length>::template iterator_base<is_const>&
 small_ring_buffer<T, length>::iterator_base<is_const>::operator=(
   const iterator_base& other) noexcept
 {
@@ -4210,7 +4210,7 @@ small_ring_buffer<T, length>::iterator_base<is_const>::operator->()
 
 template<class T, int length>
 template<bool is_const>
-small_ring_buffer<T, length>::template iterator_base<is_const>&
+typename small_ring_buffer<T, length>::template iterator_base<is_const>&
 small_ring_buffer<T, length>::iterator_base<is_const>::operator++() noexcept
 {
     if (ring) {
@@ -4225,7 +4225,7 @@ small_ring_buffer<T, length>::iterator_base<is_const>::operator++() noexcept
 
 template<class T, int length>
 template<bool is_const>
-small_ring_buffer<T, length>::template iterator_base<is_const>
+typename small_ring_buffer<T, length>::template iterator_base<is_const>
 small_ring_buffer<T, length>::iterator_base<is_const>::operator++(int) noexcept
 {
     iterator_base orig(*this);
@@ -4236,7 +4236,7 @@ small_ring_buffer<T, length>::iterator_base<is_const>::operator++(int) noexcept
 
 template<class T, int length>
 template<bool is_const>
-small_ring_buffer<T, length>::template iterator_base<is_const>&
+typename small_ring_buffer<T, length>::template iterator_base<is_const>&
 small_ring_buffer<T, length>::iterator_base<is_const>::operator--() noexcept
 {
     if (ring) {
@@ -4251,7 +4251,7 @@ small_ring_buffer<T, length>::iterator_base<is_const>::operator--() noexcept
 
 template<class T, int length>
 template<bool is_const>
-small_ring_buffer<T, length>::template iterator_base<is_const>
+typename small_ring_buffer<T, length>::template iterator_base<is_const>
 small_ring_buffer<T, length>::iterator_base<is_const>::operator--(int) noexcept
 {
     iterator_base orig(*this);
diff --git a/lib/include/irritator/error.hpp b/lib/include/irritator/error.hpp
index bff98e88..6f3bde72 100644
--- a/lib/include/irritator/error.hpp
+++ b/lib/include/irritator/error.hpp
@@ -7,6 +7,7 @@
 
 #include <irritator/macros.hpp>
 
+#include <memory>
 #include <string_view>
 
 #define BOOST_LEAF_EMBEDDED
@@ -71,7 +72,16 @@ struct argument_error {};
 struct filesystem_error {};
 
 struct e_file_name {
-    std::string value;
+    e_file_name() noexcept = default;
+
+    e_file_name(std::string_view str) noexcept
+    {
+        const auto len = str.size() > sizeof value ? sizeof value : str.size();
+
+        std::uninitialized_copy_n(str.data(), len, value);
+    }
+
+    char value[64];
 };
 
 struct e_memory {
@@ -85,8 +95,18 @@ struct e_allocator {
 };
 
 struct e_json {
+    e_json() noexcept = default;
+
+    e_json(long long unsigned int offset_, std::string_view str) noexcept
+    {
+        const auto len =
+          str.size() > sizeof error_code ? sizeof error_code : str.size();
+
+        std::uninitialized_copy_n(str.data(), len, error_code);
+    }
+
     long long unsigned int offset;
-    std::string_view       error_code;
+    char                   error_code[24];
 };
 
 struct e_ulong_id {