I receive this error when trying to open `bitcoin-qt` when compiling from `master`:

> terminate called after throwing an instance of 'std::runtime_error'
>   what():  JSON value is not a string as expected
> Aborted

No debug info is generated since the application isn't started.

I am running Qubes 4.0 fully updated, in a Debian-11 VM with normal networking. Intel x86_64
#include <codecvt>
#include <io.h> 
#include <shellapi.h>
#include <shlobj.h>
#endif
#ifdef HAVE_MALLOPT_ARENA_MAX
#include <malloc.h>
#endif
#include <boost/algorithm/string/replace.hpp>
#include <univalue.h>
#include <fstream>
#include <map>
#include <memory>
#include <optional>
#include <string>
#include <system_error>
#include <thread>
#include <typeinfo>
const int64_t nStartupTime = GetTime();
const char * const BITCOIN_CONF_FILENAME = "bitcoin.conf";
const char * const BITCOIN_SETTINGS_FILENAME = "settings.json";
ArgsManager gArgs;
static Mutex cs_dir_locks;
/** A map that contains all the currently held directory locks. After
 * successful locking, these will be held here until the global destructor
 * cleans them up and thus automatically unlocks them, or ReleaseDirectoryLocks
 * is called.
 */
static std::map<std::string, std::unique_ptr<fsbridge::FileLock>> dir_locks GUARDED_BY(cs_dir_locks);
bool LockDirectory(const fs::path& directory, const std::string lockfile_name, bool probe_only)