FOSS gamedev and creative worlds

Sorry for my English, I write with a translator.
Error loading single game.
On the server, everything works
64bit win7

016-09-10 12:23:39: [Main]: Automatically selecting world at [C:\Users\HP\Desktop\Резервные копии mintest 0.4.13\minetest-0.4.14\bin\..\worlds\1212]
2016-09-10 12:23:45: WARNING[Main]: Irrlicht: Could not open file of texture: character.png
2016-09-10 12:23:45: WARNING[Main]: Irrlicht: Could not open file of texture: character.png
2016-09-10 12:26:30: WARNING[Main]: BanManager: creating C:\Users\HP\Desktop\Резервные копии mintest 0.4.13\minetest-0.4.14\bin\..\worlds\1212\ipban.txt
2016-09-10 12:26:30: WARNING[Main]: NodeDefManager: Ignoring CONTENT_IGNORE redefinition
2016-09-10 12:26:30: ACTION[Main]: .__ __ __
2016-09-10 12:26:30: ACTION[Main]: _____ |__| ____ _____/ |_ ____ _______/ |_
2016-09-10 12:26:30: ACTION[Main]: / \| |/ \_/ __ \ __\/ __ \ / ___/\ __\
2016-09-10 12:26:30: ACTION[Main]: | Y Y \ | | \ ___/| | \ ___/ \___ \ | |
2016-09-10 12:26:30: ACTION[Main]: |__|_| /__|___| /\___ >__| \___ >____ > |__|
2016-09-10 12:26:30: ACTION[Main]: \/ \/ \/ \/ \/
2016-09-10 12:26:30: ACTION[Main]: World at [C:\Users\HP\Desktop\Резервные копии mintest 0.4.13\minetest-0.4.14\bin\..\worlds\1212]
2016-09-10 12:26:30: ACTION[Main]: Server for gameid="minetest" listening on 0.0.0.0:61786.
2016-09-10 12:26:31: ERROR[Server]: An unhandled exception occurred: Failed to open SQLite3 database file C:\Users\HP\Desktop\Резервные копии mintest 0.4.13\minetest-0.4.14\bin\..\worlds\1212\map.sqlite: unable to open database file
2016-09-10 12:26:31: ERROR[Server]: In thread 1228:
2016-09-10 12:26:31: ERROR[Server]: /home/stefan/mt-build/build/minetest_64/minetest/src/server.cpp:73: run: A fatal error occured: Failed to open SQLite3 database file C:\Users\HP\Desktop\Резервные копии mintest 0.4.13\minetest-0.4.14\bin\..\worlds\1212\map.sqlite: unable to open database
2016-09-10 12:26:31: ERROR[Server]: ile
2016-09-10 12:26:31: ERROR[Server]: Debug stacks:
2016-09-10 12:26:31: ERROR[Server]: DEBUG STACK FOR THREAD d34:
2016-09-10 12:26:31: ERROR[Server]: #0 run
2016-09-10 12:26:31: ERROR[Server]: DEBUG STACK FOR THREAD f4c:
2016-09-10 12:26:31: ERROR[Server]: #0 run
2016-09-10 12:26:31: ERROR[Server]: DEBUG STACK FOR THREAD 1228:
2016-09-10 12:26:31: ERROR[Server]: #0 run
2016-09-10 12:26:31: ERROR[Server]: DEBUG STACK FOR THREAD 1398:
2016-09-10 12:26:31: ERROR[Server]: #0 main

Rename the directory "Резервные копии mintest 0.4.13" to "Minetest" (without cryllic characters) and try again.

Thank you) I did not expect that the problem in the name of the folder.

Such encoding problems are not rare. Minetest is in progress of supporting UTF-8 (and with it, all language-specific characters).