How to reproduce:
1. Open the attached “CrashRepro_IN-111073.zip“ project
2. Open the Build Profiles window (File>Build Profiles)

Reproducible with: 6000.0.57f1, 6000.2.3f1, 6000.3.0b1

Reproducible on: macOS 15.6.1 Sequoia (Intel), 14.5 (M3) (by user)
Not reproducible on: No other environment tested

First few lines of the stack trace:
#0 0x0000010c726509 in std::__1::__tree_const_iterator<std::__1::__value_type<core::basic_string<char, core::StringStorageDefault<char>>, int>, std::__1::__tree_node<std::__1::__value_type<core::basic_string<char, core::StringStorageDefault<char>>, int>, void*>_, long> std::__1::__tree<std::__1::__value_type<core::basic_string<char, core::StringStorageDefault<char>>, int>, std::__1::__map_value_compare<core::basic_string<char, core::StringStorageDefault<char>>, std::__1::__value_type<core::basic_string<char, core::StringStorageDefault<char>>, int>, std::__1::less<core::basic_string<char, core::StringStorageDefault<char>>>, true>, stl_allocator<std::__1::__value_type<core::basic_string<char, core::StringStorageDefault<char>>, int>, (MemLabelIdentifier)133, 16>>::find<core::basic_string<char, core::StringStorageDefault<char>>>(core::basic_string<char, core::StringStorageDefault<char>> const&) const_
_#1 0x0000010daacad0 in EditorOnlyPlayerSettings::GetPlatformScriptingBackend(core::basic_string_ref<char>, ScriptingExceptionPtr_) const
#2 0x0000010c63e7b9 in PlayerSettingsBindings::GetScriptingBackend_Internal(PlayerSettings*, core::basic_string_ref<char>)
#3 0x0000010af93e9d in PlayerSettings_CUSTOM_GetScriptingBackend_Internal(void*, BindingsManagedSpan*)