audio_wavefiles 2.0.0

We encountered an error during the generation of documentation:
<ConcreteTypeDecl ["Wav_Unsigned_Fixed_8"] audio-wavefiles-data_types.ads:39:4-40:40> => <OrdinaryFixedPointDef audio-wavefiles-data_types.ads:39:33-39:65>
<ConcreteTypeDecl ["Wav_Fixed_8"] audio-wavefiles-data_types.ads:41:4-42:40> => <OrdinaryFixedPointDef audio-wavefiles-data_types.ads:41:24-41:57>
<ConcreteTypeDecl ["Wav_Fixed_16"] audio-wavefiles-data_types.ads:43:4-44:41> => <OrdinaryFixedPointDef audio-wavefiles-data_types.ads:43:25-43:60>
<ConcreteTypeDecl ["Wav_Fixed_24"] audio-wavefiles-data_types.ads:59:4-60:22> => <OrdinaryFixedPointDef audio-wavefiles-data_types.ads:59:25-59:60>
<ConcreteTypeDecl ["Wav_Fixed_32"] audio-wavefiles-data_types.ads:62:4-63:41> => <OrdinaryFixedPointDef audio-wavefiles-data_types.ads:62:25-62:60>
<ConcreteTypeDecl ["Wav_Fixed_64"] audio-wavefiles-data_types.ads:64:4-65:41> => <OrdinaryFixedPointDef audio-wavefiles-data_types.ads:64:25-64:60>
<ConcreteTypeDecl ["Wav_Float_32"] audio-wavefiles-data_types.ads:67:4-68:41> => <FloatingPointDef audio-wavefiles-data_types.ads:67:25-67:33>
<ConcreteTypeDecl ["Wav_Float_64"] audio-wavefiles-data_types.ads:69:4-70:41> => <FloatingPointDef audio-wavefiles-data_types.ads:69:25-69:34>
<ConcreteTypeDecl ["Wav_Float_128"] audio-wavefiles-data_types.ads:71:4-72:23> => <FloatingPointDef audio-wavefiles-data_types.ads:71:26-71:35>

raised CONSTRAINT_ERROR : GNATdoc.Entities.Entity_Information_Maps.Constant_Reference: key not in map
ERROR: Command ["gnatdoc4", "-P", "audio_wavefiles.gpr", "--output-dir", "/home/chouteau/src/github/alire/docs.ada.dev/crate/audio_wavefiles/2.0.0", "--front-matter", "crate: audio_wavefiles", "--no-subprojects"] exited with code 1