E (370) i2c: i2c driver install error

I use this library on ESP32-CAM.
If I run my program incude this library, but error occured.
that error is hear

> E (370) i2c: i2c driver install error
E (370) SSD1306_I2CMasterInitDefault: i2c_driver_install( I2CPortNumber, Config.mode, 0, 0, 0 ) != ESP_OK, result: -1

Please tell me How to fix this error.