Unbuildable for "Ambiguous occurrence ‘<>’"

[Magicloud]

language-hcl> /tmp/stack1015630/language-hcl-0.1.2.0/src/Data/HCL/PrettyPrint.hs:63:35: error:
language-hcl>     Ambiguous occurrence ‘<>’
language-hcl>     It could refer to either ‘Prelude.<>’,
language-hcl>                              imported from ‘Prelude’ at src/Data/HCL/PrettyPrint.hs:16:8-27
language-hcl>                              (and originally defined in ‘GHC.Base’)
language-hcl>                           or ‘Text.PrettyPrint.HughesPJClass.<>’,
language-hcl>                              imported from ‘Text.PrettyPrint.HughesPJClass’ at src/Data/HCL/PrettyPrint.hs:28:1-47
language-hcl>                              (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
language-hcl>    |
language-hcl> 63 |         HCLStringInterp t -> "#{" <> pPrint (Text.unpack t) <> "}"
language-hcl>    |                                   ^^
language-hcl> 
language-hcl> /tmp/stack1015630/language-hcl-0.1.2.0/src/Data/HCL/PrettyPrint.hs:63:61: error:
language-hcl>     Ambiguous occurrence ‘<>’
language-hcl>     It could refer to either ‘Prelude.<>’,
language-hcl>                              imported from ‘Prelude’ at src/Data/HCL/PrettyPrint.hs:16:8-27
language-hcl>                              (and originally defined in ‘GHC.Base’)
language-hcl>                           or ‘Text.PrettyPrint.HughesPJClass.<>’,
language-hcl>                              imported from ‘Text.PrettyPrint.HughesPJClass’ at src/Data/HCL/PrettyPrint.hs:28:1-47
language-hcl>                              (and originally defined in ‘Text.PrettyPrint.HughesPJ’)
language-hcl>    |
language-hcl> 63 |         HCLStringInterp t -> "#{" <> pPrint (Text.unpack t) <> "}"
language-hcl>    |                                                             ^^