Make a screenshot and post
Press in parallel Vol- and Pow for screenshot in OF/TWRP
It should say Successful decryption for User 0 but Failed for User 999 - and that's ok
Please read back properly and check post #5432 and see the screenshots under the spoiler tag: it's not the second space (or whatever other) user (999) issue, it says decryption of user 0 was unsuccessful.