MySQL Fatal Error

Warning: fopen(/var/www/dle/data/www/nndr.ru/engine/cache/related_1981.tmp): failed to open stream: No space left on device in /var/www/dle/data/www/nndr.ru/engine/modules/functions.php on line 334 Warning: fwrite(): supplied argument is not a valid stream resource in /var/www/dle/data/www/nndr.ru/engine/modules/functions.php on line 335 Warning: fclose(): supplied argument is not a valid stream resource in /var/www/dle/data/www/nndr.ru/engine/modules/functions.php on line 336 Warning: fopen(/var/www/dle/data/www/nndr.ru/engine/cache/informer_1_nndr.tmp): failed to open stream: No space left on device in /var/www/dle/data/www/nndr.ru/engine/modules/functions.php on line 334 Warning: fwrite(): supplied argument is not a valid stream resource in /var/www/dle/data/www/nndr.ru/engine/modules/functions.php on line 335 Warning: fclose(): supplied argument is not a valid stream resource in /var/www/dle/data/www/nndr.ru/engine/modules/functions.php on line 336 MySQL Fatal Error MySQL Error!
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The Error returned was:
Can't create/write to file '/tmp/#sql_bae_0.MYI' (Errcode: 28)

Error Number:
1

Warning: Unknown: open(/var/www/dle/data/mod-tmp/sess_3c5a787d63f33477b86d4a3a2cf6d695, O_RDWR) failed: No such file or directory (2) in Unknown on line 0 Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/www/dle/data/mod-tmp) in Unknown on line 0