Use varargs version of Error:all() and Error::one() where applicable

src/USER-NETCDF/dump_netcdf.cpp

@@ -288,8 +288,8 @@ void DumpNetCDF::openfile()
       // Fixme! Perform checks if dimensions and variables conform with
       // data structure standard.
       if (not utils::file_is_readable(filecurrent))
-        error->all(FLERR, fmt::format("cannot append to non-existent file {}",
-                                      filecurrent));
+        error->all(FLERR, "cannot append to non-existent file {}",
+                                      filecurrent);
 
       if (singlefile_opened) return;
       singlefile_opened = 1;