| SIGMA_BLOCK_NOT_FOUND | Cannot find block '$block' | There is no block $block in the template | Check the block name spelling, check whether you added all the necessary blocks to the template |
| SIGMA_BLOCK_DUPLICATE | The name of a block must be unique within a template. Block 'blockname' found twice. | The loaded block contains a subblock that has the same name as the existing one | Check the file contents and rename the block to something else |
| SIGMA_TPL_NOT_FOUND | Cannot read the template file '$filename' | File is unreadable for some reason | Check if the file exists and has correct permissions set |
| SIGMA_CACHE_ERROR | Cannot save template file 'filename' | A prepared template file cannot be saved | Check if the directory for prepared templates cache exists and is writeable for your script |
