When i start u-boot i get this error

When i start u-boot i get this error

i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr failed
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr failed
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr:trigger start fail(81)
i2c_addr failed
i2c_addr:trigger start fail(81)
i2c_addr failed
i2c_addr:trigger start fail(81)

½É]¥µ¥¹5aÕͽ¹ed )ÕµÁMÑ5½É SjRjªµ ½½ÑÉÁÁå¹ÁáµU µÅ¹É¹Éµ¡ÉÁÉÁÅɵÅÉéÑÍéÑÁ¥µ ÉÑ-¥ÑÙ±½Áµ¹Ñ ½ éÉ5)5%É å)5ÿNAND: 512 MiB
MMC: FSL_ESDHC: 0, FSL_ESDHC: 1
DRAM: 512 MB
In: serial
Out: serial
Err: serial
Net: got MAC address: 00:04:f3:ff:ff:fa
FEC0 [PRIME]
Autoscript from TFTP… [not available]
User Key 1 and 2 pressed
User Key 1 pressed
User Key 2 pressed
CCWMX53 #

How can i solve this issue?

Check your RTC battery, try removing it.