Return codes

(10-19) - Module importing error

• 10 - Failed to open file

• 11 - Import itself

(20-29) - Reserved

(30-39) - Unit compile error

• 30 - Unit already exist

(40-49) - Reserved

(50-59) - Code compile error

• 50 - Unknown line

• 51 - Is already exist

• 52 - Doesn't exist

• 53 - Type error

• 54 - Wrong format

• 55 - Unknown operator

• 56 - Incorrect brackets

• 57 - Invalid arguments

(60-69) - Reserved

(70-79) - Reserved

(80-89) - Reserved

(90-99) - Runtime errors

(100-109) - Reserved

(110-119) - Other

• 110 - Not specified

• 111 - Keyword used as the name

• 112 - Internal error