Randon twitter card error (reposted in this section)

cards

#1

The attached photo was taken from my https://twitter.com/instromentals timeline today. The top twitter card is what I DO want - the lower one I do NOT want. Somewhere in the process of sharing my http://soundcloud.com/instrumentalsclub … music tracks, twitter is randomly creating the wrong (second) twitter card. Please can you help sort this out. Many thanks in advance, Malcolm Hill malcolmhill@email.com
I have no idea how to get or even use any developer tools or, for example, clear a cache through API, but would certainly have a go if pointed in the right direction!! So how can I gain access to the developer tools?
Delighted to join you all on this forum - a problem shared is a problem halved.
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Description of issue:

URL affected (must be public):

Troubleshooting steps attempted [note that we will not prioritise posts unless there is evidence of following the troubleshooting guides]:


#2

Closing as a duplicate.


#3