This is a caching issues. When you changed Data type or scope of any variable then you will get this. just clear that filed or variable and hit ctrl+save then again use the modified variable with ctrl+space. it will work and will not show error.
You do not need to delete it.
Regards…!!
AKsh
Anil_G
ashokkarale
jinal.shah
Gautham_Pattabiraman
postwick
chandreshsinh.jadeja
vrdabberu
Ajay_Mishra
sven.wullum1
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