SIGMA_BLOCK_DUPLICATE = -4
SIGMA_BLOCK_EXISTS = -12
SIGMA_BLOCK_NOT_FOUND = -3
SIGMA_CACHE_ERROR = -5
SIGMA_CALLBACK_SYNTAX_ERROR = -14
SIGMA_ERROR = -1
SIGMA_INVALID_CALLBACK = -13
SIGMA_OK = 1
SIGMA_PLACEHOLDER_DUPLICATE = -11
SIGMA_PLACEHOLDER_NOT_FOUND = -10
SIGMA_TPL_NOT_FOUND = -2
SIGMA_UNKNOWN_OPTION = -6