Update failed: entity_usage_update_8203

After update from alpha4 to alpha5 and then update database there is error:

[notice] Update started: entity_usage_update_8203
[error] SQLSTATE[22004]: Null value not allowed: 1138 Invalid use of NULL value: ALTER TABLE {entity_usage} CHANGE `target_id_string` `target_id_string` VARCHAR(128) CHARACTER SET ascii COLLATE ascii_general_ci NOT NULL DEFAULT '' COMMENT 'The target ID, when the entity uses string IDs.'; Array
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[error] Update failed: entity_usage_update_8203
[error] Update aborted by: entity_usage_update_8203
[error] Finished performing updates.