diff --git a/.changeset/mighty-rats-suffer.md b/.changeset/mighty-rats-suffer.md
new file mode 100644
index 00000000000..42a09753749
--- /dev/null
+++ b/.changeset/mighty-rats-suffer.md
@@ -0,0 +1,7 @@
+---
+"@pnpm/resolve-dependencies": patch
+"@pnpm/lockfile-utils": patch
+"pnpm": patch
+---
+
+Fix `Cannot read properties of undefined (reading 'missingPeersOfChildren')` exception that happens on install [#8041](https://github.com/pnpm/pnpm/issues/8041).
diff --git a/lockfile/lockfile-utils/src/nameVerFromPkgSnapshot.ts b/lockfile/lockfile-utils/src/nameVerFromPkgSnapshot.ts
index eeaa89c136b..e4c470a6db9 100644
--- a/lockfile/lockfile-utils/src/nameVerFromPkgSnapshot.ts
+++ b/lockfile/lockfile-utils/src/nameVerFromPkgSnapshot.ts
@@ -5,6 +5,7 @@ export interface NameVer {
   name: string
   peersSuffix: string | undefined
   version: string
+  nonSemverVersion?: string
 }
 
 export function nameVerFromPkgSnapshot (
@@ -16,5 +17,6 @@ export function nameVerFromPkgSnapshot (
     name: pkgInfo.name as string,
     peersSuffix: pkgInfo.peersSuffix,
     version: pkgSnapshot.version ?? pkgInfo.version as string,
+    nonSemverVersion: pkgInfo.nonSemverVersion,
   }
 }
diff --git a/pkg-manager/package-requester/src/packageRequester.ts b/pkg-manager/package-requester/src/packageRequester.ts
index 82b8cf9cf95..65e9c92e09b 100644
--- a/pkg-manager/package-requester/src/packageRequester.ts
+++ b/pkg-manager/package-requester/src/packageRequester.ts
@@ -287,7 +287,7 @@ async function resolveAndFetch (
       isLocal: false as const,
       isInstallable: isInstallable ?? undefined,
       latest,
-      manifest: manifest ?? (await fetchResult.fetching()).bundledManifest,
+      manifest,
       normalizedPref,
       resolution,
       resolvedVia,
diff --git a/pkg-manager/resolve-dependencies/src/resolveDependencies.ts b/pkg-manager/resolve-dependencies/src/resolveDependencies.ts
index cb51ab48539..216837b45a7 100644
--- a/pkg-manager/resolve-dependencies/src/resolveDependencies.ts
+++ b/pkg-manager/resolve-dependencies/src/resolveDependencies.ts
@@ -12,7 +12,6 @@ import {
 } from '@pnpm/lockfile-types'
 import {
   nameVerFromPkgSnapshot,
-  packageIdFromSnapshot,
   pkgSnapshotToResolution,
 } from '@pnpm/lockfile-utils'
 import { logger } from '@pnpm/logger'
@@ -1047,19 +1046,22 @@ function getInfoFromLockfile (
       }
     }
 
+    const { name, version, nonSemverVersion } = nameVerFromPkgSnapshot(depPath, dependencyLockfile)
     return {
-      ...nameVerFromPkgSnapshot(depPath, dependencyLockfile),
+      name,
+      version,
       dependencyLockfile,
       depPath,
-      pkgId: packageIdFromSnapshot(depPath, dependencyLockfile),
+      pkgId: nonSemverVersion ?? `${name}@${version}`,
       // resolution may not exist if lockfile is broken, and an unexpected error will be thrown
       // if resolution does not exist, return undefined so it can be autofixed later
       resolution: dependencyLockfile.resolution && pkgSnapshotToResolution(depPath, dependencyLockfile, registries),
     }
   } else {
+    const parsed = dp.parse(depPath)
     return {
       depPath,
-      pkgId: dp.tryGetPackageId(depPath) ?? depPath, // Does it make sense to set pkgId when we're not sure?
+      pkgId: parsed.nonSemverVersion ?? (parsed.name && parsed.version ? `${parsed.name}@${parsed.version}` : depPath), // Does it make sense to set pkgId when we're not sure?
     }
   }
 }