Pomoc -błąd z skryptem

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2018-07-19 20:40:55 [INFO] [Skript] Reloading EXCALIBUR.sk...
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 1 tab (EXCALIBUR.sk, line 11: 'if line 1 is "&1[EXCALIBUR]":')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 2 tabs (EXCALIBUR.sk, line 12: 'if line 2 is "NAJSILNIEJSZA":')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 3 tabs (EXCALIBUR.sk, line 13: 'if line 3 is "BRON!":')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 4 tabs (EXCALIBUR.sk, line 14: 'if line 4 is "300000$":')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 3 tabs (EXCALIBUR.sk, line 15: 'if player's balance is greater than 300000:')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 4 tabs (EXCALIBUR.sk, line 16: 'remove 300000 from player's account')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 4 tabs (EXCALIBUR.sk, line 17: 'execute console command "/test"')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 4 tabs (EXCALIBUR.sk, line 18: 'send "&6[SignShop] &fZakupiles EXCALIBUR za &a$300000&f!"')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 3 tabs (EXCALIBUR.sk, line 19: 'else:')
2018-07-19 20:40:55 [SEVERE] indentation error: expected 4 spaces, but found 4 tabs (EXCALIBUR.sk, line 20: 'send "&6[SignShop] &fNie masz wystarczajaco duzo dolarow ! Wykonuj prace i zarabiaj lub zamow je smsem !"')
2018-07-19 20:40:55 [WARNING] Empty configuration section! You might want to indent one or more of the subsequent lines to make them belong to this section or remove the colon at the end of the line if you don't want this line to start a section. (EXCALIBUR.sk, line 10: 'on rightclick on signs:')
2018-07-19 20:40:56 [INFO] [Skript] Encountered 10 errors while reloading EXCALIBUR.sk!

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