Transaction too large
This is referring to the transaction size in bytes, not Bitcoin.
You need to send the Bitcoin in smaller chunks to yourself, or sweep the dust, as they say. This is because a transaction is made up of unspent outputs (UTXO) and since you are sending a large amount, you will likely have many small UTXO from all of the tips you're trying to spend. This increases the size of the transaction in bytes.
Bitcoin core will return that error if the transaction weight is greater than MAX_STANDARD_TX_WEIGHT, which as of v0.16.3 is 400,000, which also happens to be the maximum size of 1 block.
What is tx weight?
Transaction weight is defined as Base transaction size * 3 + Total
transaction size (ie. the same method as calculating Block weight from
Base size and Total size).
Virtual transaction size is defined as Transaction weight / 4 (rounded
up to the next integer).
Base transaction size is the size of the transaction serialised with
the witness data stripped.
Total transaction size is the transaction size in bytes serialized as
described in BIP144, including base data and witness data. See BIP
141
Thank you JBaczuk, What is the solution? Should I stop sending small amounts as tips? – Madhu Crypto – 2018-09-27T13:15:47.517
Or you can sweep the dust so your inputs aren't so small before you send a larger tx. Are you receiving small tips on the address you're trying to send from? – JBaczuk – 2018-09-27T13:23:45.340
Yes, I am getting small tips... how can I sweep all dust? Do I need to install new wallet or any other way? – Madhu Crypto – 2018-09-29T02:11:38.540
Just send some back to yourself – JBaczuk – 2018-09-29T04:06:06.130
Can I use move instead of sendFrom for the transaction of small tips? Will move create dust and block me from large amount tx? – Madhu Crypto – 2018-09-29T13:52:39.370
move is a deprecated account feature, which is being removed in
v0.18.0and is confusing. It will not solve the problem of trying to spend many small outputs since it doesn't create any transactions. You really need to make a few transactions to yourself to consolidate the many utxo from all the tips. – JBaczuk – 2018-09-29T13:54:36.823