Data source name not found and no default driver specified (0) (SQLDriverConnect)') code example
Example: [microsoft][odbc driver manager] data source name not found and no default driver specified (0) (sqldriverconnect)
# On windows check for:
C:\Windows\System32\odbcad32.exe
C:\Windows\SysWOW64\odbcad32.exe
# If none, download and install it