Build Log: jsonrpc.1.23.0

Can't find all required versions. Selected: ocaml-base-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml&jsonrpc ocaml-variants ocaml-base-compiler ocaml-base-compiler - jsonrpc -> (problem) User requested = 1.23.0 No usable implementations: jsonrpc.1.24.0: Rejected by user-specified constraint jsonrpc (= 1.23.0) jsonrpc.1.23.1: Rejected by user-specified constraint jsonrpc (= 1.23.0) jsonrpc.1.22.0: Rejected by user-specified constraint jsonrpc (= 1.23.0) jsonrpc.1.21.0-4.14: Rejected by user-specified constraint jsonrpc (= 1.23.0) jsonrpc.1.21.0: Rejected by user-specified constraint jsonrpc (= 1.23.0) ... - ocaml -> ocaml.4.14.2 User requested = 4.14.2 - ocaml-compiler -> (problem) ocaml-base-compiler 5.4.0 requires = 5.4.0 Rejected candidates: ocaml-compiler.5.5: Incompatible with restriction: = 5.4.0 ocaml-compiler.5.4.0: Requires ocaml = 5.4.0 ocaml-compiler.5.4.0~rc1: Incompatible with restriction: = 5.4.0 ocaml-compiler.5.4.0~beta2: Incompatible with restriction: = 5.4.0 ocaml-compiler.5.4.0~beta1: Incompatible with restriction: = 5.4.0 ... - ocaml-variants -> (problem) Rejected candidates: ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler ocaml-variants.5.4.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler ocaml-variants.5.4.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler ocaml-variants.5.4.0~rc1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler ocaml-variants.5.4.0~beta2+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler ...