Signature is too simple

The error "Signature is too simple" happens when a signature being written is too simple, meaning it does not meet the minimum configured number of distinct characterizing points for it to be considered a valid signature. This might happen if a user’s signature is in fact really simple (a couple of straight lines or similar).

In this case, there are two solutions. Either the user needs to re-input the signature and try to increase the writing complexity or eSign’s configuration must be adjusted to account for simpler signatures.

In the second scenario, you may use the configuration value signature.handwritten.complexity to configure the minimum number of unique points a signature needs to have.