how to fix this

[wangay]

hello ,when I test many time (>20),It said:

Gap between last used address and next address too large. This might make funds inaccessible.

[gheatza85]

I'm also interested in this one.

[IPeredero]

https://api.blockchain.info/v2/receive?xpub=$xpub&callback=$callback_url&key=$key&gap_limit=$gap_limit

gap_limit - Optional. How many unused addresses are allowed before erroring out.
Please limit for 300

[besoeasy]

how can we load address via index ?