Appending a string

[ipazin]

Hello @rittiner,

and welcome to KNIME Community!

@rittiner

Or does anyone else have any ideas?

We can only guess. If you share workflow example I’m sure someone will take a look at it and help you. Simply put some data into Table Creator node and follow it with node that gives you above mentioned error. This topic might help you:

Reproducible (Minimal) Workflow Example

Hi there KNIMErs! What is this topic about? This topic is about helping yourself and KNIME community! How? By creating and sharing workflow examples that help and can be successfully ran by others When? When logic requires it. For example when you are opening a topic in order to get help (you are getting error or can’t configure node and would like someone else to take a look what is wrong; or you started a workflow and got stuck so need help with next step), when you are reporting …

Br,
Ivan