Cannot create new database from Dict API

[nlw0]

Running the 5-lines example fails. I'm using Julia 1.12.6 and LMDB v3.0.0.

julia> using LMDB

julia> d = LMDBDict{String, Vector{Float32}}("mydb")
ERROR: LMDBError(2): No such file or directory
Stacktrace:
 [1] check
   @ ~/.julia/packages/LMDB/qONp8/src/error.jl:13 [inlined]
 [2] mdb_env_open(env::LMDB.Environment, path::String, flags::UInt32, mode::UInt32)
   @ LMDB ~/.julia/packages/LMDB/qONp8/src/error.jl:38
 [3] LMDB.Environment(path::String; mapsize::Nothing, pagesize::Nothing, maxreaders::Nothing, maxdbs::Nothing, flags::UInt32, mode::UInt32)
   @ LMDB ~/.julia/packages/LMDB/qONp8/src/environment.jl:58
 [4] Environment
   @ ~/.julia/packages/LMDB/qONp8/src/environment.jl:42 [inlined]
 [5] #_#22
   @ ~/.julia/packages/LMDB/qONp8/src/dictionary.jl:38 [inlined]
 [6] LMDBDict{String, Vector{Float32}}(path::String)
   @ LMDB ~/.julia/packages/LMDB/qONp8/src/dictionary.jl:27
 [7] top-level scope
   @ REPL[1]:1